diff --git a/conda_build/api.py b/conda_build/api.py
index 2d5fa7ee7d..076a15beff 100644
--- a/conda_build/api.py
+++ b/conda_build/api.py
@@ -655,17 +655,18 @@ def debug(
             ]
             if len(matched_outputs) > 1:
                 raise ValueError(
-                    "Specified --output-id matches more than one output ({}).  Please refine your output id so that only "
-                    "a single output is found.".format(matched_outputs)
+                    f"Specified --output-id matches more than one output ({matched_outputs}). "
+                    "Please refine your output id so that only a single output is found."
                 )
             elif not matched_outputs:
                 raise ValueError(
-                    f"Specified --output-id did not match any outputs.  Available outputs are: {outputs} Please check it and try again"
+                    f"Specified --output-id did not match any outputs. Available outputs are: {outputs} "
+                    "Please check it and try again"
                 )
         if len(matched_outputs) > 1 and not path_is_build_dir:
             raise ValueError(
-                "More than one output found for this recipe ({}).  Please use the --output-id argument to filter down "
-                "to a single output.".format(outputs)
+                f"More than one output found for this recipe ({outputs}). "
+                "Please use the --output-id argument to filter down to a single output."
             )
         else:
             matched_outputs = outputs
diff --git a/conda_build/build.py b/conda_build/build.py
index 1d66cf114f..6c8e2f474f 100644
--- a/conda_build/build.py
+++ b/conda_build/build.py
@@ -501,7 +501,12 @@ def regex_files_py(
                         match_records[file] = {"type": type, "submatches": []}
                     # else:
                     #     if match_records[file]['absolute_offset'] != absolute_offset:
-                    #         print("Dropping match.pos() of {}, neq {}".format(absolute_offset, match_records[file]['absolute_offset']))
+                    #         print(
+                    #             "Dropping match.pos() of {}, neq {}".format(
+                    #                 absolute_offset,
+                    #                 match_records[file]['absolute_offset'],
+                    #             )
+                    #         )
                     g_index = len(match.groups())
                     if g_index == 0:
                         # Complete match.
@@ -639,8 +644,9 @@ def have_regex_files(
         return match_records
     import copy
 
-    match_records_rg, match_records_re = copy.deepcopy(match_records), copy.deepcopy(
-        match_records
+    match_records_rg, match_records_re = (
+        copy.deepcopy(match_records),
+        copy.deepcopy(match_records),
     )
     if not isinstance(regex_re, (bytes, bytearray)):
         regex_re = regex_re.encode("utf-8")
@@ -2257,7 +2263,9 @@ def _write_sh_activation_text(file_handle, m):
             if value:
                 if not done_necessary_env:
                     # file_handle.write(
-                    #     'export CCACHE_SLOPPINESS="pch_defines,time_macros${CCACHE_SLOPPINESS+,$CCACHE_SLOPPINESS}"\n')
+                    #     'export CCACHE_SLOPPINESS="pch_defines,time_macros'
+                    #     '${CCACHE_SLOPPINESS+,$CCACHE_SLOPPINESS}"\n'
+                    # )
                     # file_handle.write('export CCACHE_CPP2=true\n')
                     done_necessary_env = True
                 if method == "symlinks":
@@ -2266,16 +2274,12 @@ def _write_sh_activation_text(file_handle, m):
                     file_handle.write(f"pushd {dirname_ccache_ln_bin}\n")
                     file_handle.write('if [ -n "$CC" ]; then\n')
                     file_handle.write(
-                        "  [ -f {ccache} ] && [ ! -f $(basename $CC) ] && ln -s {ccache} $(basename $CC) || true\n".format(
-                            ccache=ccache
-                        )
+                        f"  [ -f {ccache} ] && [ ! -f $(basename $CC) ] && ln -s {ccache} $(basename $CC) || true\n"
                     )
                     file_handle.write("fi\n")
                     file_handle.write('if [ -n "$CXX" ]; then\n')
                     file_handle.write(
-                        "  [ -f {ccache} ] && [ ! -f $(basename $CXX) ] && ln -s {ccache} $(basename $CXX) || true\n".format(
-                            ccache=ccache
-                        )
+                        f"  [ -f {ccache} ] && [ ! -f $(basename $CXX) ] && ln -s {ccache} $(basename $CXX) || true\n"
                     )
                     file_handle.write("fi\n")
                     file_handle.write("popd\n")
diff --git a/conda_build/cli/main_develop.py b/conda_build/cli/main_develop.py
index a7a202e5ff..46c8384826 100644
--- a/conda_build/cli/main_develop.py
+++ b/conda_build/cli/main_develop.py
@@ -19,7 +19,7 @@ def parse_args(args):
 
 Install a Python package in 'development mode'.
 
-This works by creating a conda.pth file in site-packages."""
+This works by creating a conda.pth file in site-packages.""",
         # TODO: Use setup.py to determine any entry-points to install.
     )
 
diff --git a/conda_build/exceptions.py b/conda_build/exceptions.py
index d8ed36ff06..857141fb4f 100644
--- a/conda_build/exceptions.py
+++ b/conda_build/exceptions.py
@@ -88,8 +88,7 @@ def __init__(
                 self.packages.append(pkg)
         if not self.packages:
             raise RuntimeError(
-                "failed to parse packages from exception:"
-                " {}".format(str(conda_exception))
+                f"failed to parse packages from exception: {conda_exception}"
             )
 
     def __str__(self):
diff --git a/conda_build/index.py b/conda_build/index.py
index 690673f0c9..b1a72dfde1 100644
--- a/conda_build/index.py
+++ b/conda_build/index.py
@@ -360,7 +360,8 @@ def update_index(
     if dirname in utils.DEFAULT_SUBDIRS:
         if warn:
             log.warn(
-                "The update_index function has changed to index all subdirs at once.  You're pointing it at a single subdir.  "
+                "The update_index function has changed to index all subdirs at once. "
+                "You're pointing it at a single subdir. "
                 "Please update your code to point it at the channel root, rather than a subdir."
             )
         return update_index(
diff --git a/conda_build/jinja_context.py b/conda_build/jinja_context.py
index 9d507e43a6..eaadc3a100 100644
--- a/conda_build/jinja_context.py
+++ b/conda_build/jinja_context.py
@@ -97,18 +97,8 @@ def __init__(
         __call__
     ) = (
         __getitem__
-    ) = (
-        __lt__
-    ) = (
-        __le__
-    ) = (
-        __gt__
-    ) = (
-        __ge__
-    ) = (
-        __complex__
-    ) = __pow__ = __rpow__ = lambda self, *args, **kwargs: self._return_undefined(
-        self._undefined_name
+    ) = __lt__ = __le__ = __gt__ = __ge__ = __complex__ = __pow__ = __rpow__ = (
+        lambda self, *args, **kwargs: self._return_undefined(self._undefined_name)
     )
 
     # Accessing an attribute of an Undefined variable
diff --git a/conda_build/metadata.py b/conda_build/metadata.py
index d2d87912bf..5ca91b2e81 100644
--- a/conda_build/metadata.py
+++ b/conda_build/metadata.py
@@ -1475,7 +1475,8 @@ def get_depends_top_and_out(self, typ):
         meta_requirements = ensure_list(self.get_value("requirements/" + typ, []))[:]
         req_names = {req.split()[0] for req in meta_requirements if req}
         extra_reqs = []
-        # this is for the edge case of requirements for top-level being also partially defined in a similarly named output
+        # this is for the edge case of requirements for top-level being
+        # partially defined in a similarly named output
         if not self.is_output:
             matching_output = [
                 out
diff --git a/conda_build/noarch_python.py b/conda_build/noarch_python.py
index 380367d43d..30efb3d45d 100644
--- a/conda_build/noarch_python.py
+++ b/conda_build/noarch_python.py
@@ -142,11 +142,7 @@ def transform(m, files, prefix):
             """\
     @echo off
     "%PREFIX%\\python.exe" "%SOURCE_DIR%\\link.py"
-    """.replace(
-                "\n", "\r\n"
-            ).encode(
-                "utf-8"
-            )
+    """.replace("\n", "\r\n").encode("utf-8")
         )
 
     d = populate_files(m, files, prefix)
diff --git a/conda_build/os_utils/liefldd.py b/conda_build/os_utils/liefldd.py
index 26a768a4f6..9e5c9836bb 100644
--- a/conda_build/os_utils/liefldd.py
+++ b/conda_build/os_utils/liefldd.py
@@ -588,8 +588,14 @@ def inspect_linkages_lief(
                     """
                     if binary.format == lief.EXE_FORMATS.PE:
                         import random
-                        path_fixed = os.path.dirname(path_fixed) + os.sep +  \
-                                     ''.join(random.choice((str.upper, str.lower))(c) for c in os.path.basename(path_fixed))
+                        path_fixed = (
+                            os.path.dirname(path_fixed)
+                            + os.sep
+                            +  ''.join(
+                                random.choice((str.upper, str.lower))(c)
+                                for c in os.path.basename(path_fixed)
+                            )
+                        )
                         if random.getrandbits(1):
                             path_fixed = path_fixed.replace(os.sep + 'lib' + os.sep, os.sep + 'Lib' + os.sep)
                         else:
@@ -650,16 +656,11 @@ def get_linkages(
     )
     if debug and result_pyldd and set(result_lief) != set(result_pyldd):
         print(
-            "WARNING: Disagreement in get_linkages(filename={}, resolve_filenames={}, recurse={}, sysroot={}, envroot={}, arch={}):\n lief: {}\npyldd: {}\n  (using lief)".format(
-                filename,
-                resolve_filenames,
-                recurse,
-                sysroot,
-                envroot,
-                arch,
-                result_lief,
-                result_pyldd,
-            )
+            f"WARNING: Disagreement in get_linkages({filename=}, "
+            f"{resolve_filenames=}, {recurse=}, {sysroot=}, {envroot=}, {arch=}):\n"
+            f" lief: {result_lief}\n"
+            f"pyldd: {result_pyldd}\n"
+            "  (using lief)"
         )
     return result_lief
 
@@ -689,7 +690,7 @@ def is_archive(file):
 
 
 def get_static_lib_exports(file):
-    # file = '/Users/rdonnelly/conda/main-augmented-tmp/osx-64_14354bd0cd1882bc620336d9a69ae5b9/lib/python2.7/config/libpython2.7.a'
+    # file = '/Users/rdonnelly/conda/main-augmented-tmp/osx-64_14354bd0cd1882bc620336d9a69ae5b9/lib/python2.7/config/libpython2.7.a'  # noqa: E501
     # References:
     # https://github.com/bminor/binutils-gdb/tree/master/bfd/archive.c
     # https://en.wikipedia.org/wiki/Ar_(Unix)
@@ -737,7 +738,8 @@ def _parse_ar_hdr(content, index):
             typ = "NORMAL"
         if b"/" in name:
             name = name[: name.find(b"/")]
-        # if debug_static_archives: print("index={}, name={}, ending={}, size={}, type={}".format(index, name, ending, size, typ))
+        # if debug_static_archives:
+        #     print(f"index={index}, name={name}, ending={ending}, size={size}, type={typ}")
         index += header_sz + name_len
         return index, name, name_len, size, typ
 
@@ -813,9 +815,7 @@ def _parse_ar_hdr(content, index):
             (size_string_table,) = struct.unpack(
                 "<" + toc_integers_fmt,
                 content[
-                    index
-                    + toc_integers_sz
-                    + (nsymbols * ranlib_struct_sz) : index
+                    index + toc_integers_sz + (nsymbols * ranlib_struct_sz) : index
                     + 4
                     + 4
                     + (nsymbols * ranlib_struct_sz)
@@ -827,8 +827,7 @@ def _parse_ar_hdr(content, index):
                 ran_off, ran_strx = struct.unpack(
                     "<" + ranlib_struct_field_fmt + ranlib_struct_field_fmt,
                     content[
-                        ranlib_index
-                        + (i * ranlib_struct_sz) : ranlib_index
+                        ranlib_index + (i * ranlib_struct_sz) : ranlib_index
                         + ((i + 1) * ranlib_struct_sz)
                     ],
                 )
@@ -845,8 +844,7 @@ def _parse_ar_hdr(content, index):
                     )
                 )
             string_table = content[
-                ranlib_index
-                + (nsymbols * ranlib_struct_sz) : ranlib_index
+                ranlib_index + (nsymbols * ranlib_struct_sz) : ranlib_index
                 + (nsymbols * ranlib_struct_sz)
                 + size_string_table
             ]
@@ -958,7 +956,7 @@ def get_static_lib_exports_dumpbin(filename):
     > 020 00000000 UNDEF  notype ()    External     | malloc
     > vs
     > 004 00000010 SECT1  notype ()    External     | _ZN3gnu11autosprintfC1EPKcz
-    """
+    """  # noqa: E501
     dumpbin_exe = find_executable("dumpbin")
     if not dumpbin_exe:
         """
@@ -1077,19 +1075,15 @@ def get_exports(filename, arch="native", enable_static=False):
                         print(f"errors: {error_count} (-{len(diff1)}, +{len(diff2)})")
                     if debug_static_archives:
                         print(
-                            "WARNING :: Disagreement regarding static lib exports in {} between nm (nsyms={}) and lielfldd (nsyms={}):".format(
-                                filename, len(exports), len(exports2)
-                            )
+                            "WARNING :: Disagreement regarding static lib exports in "
+                            f"{filename} between nm (nsyms={len(exports)}) and "
+                            "lielfldd (nsyms={len(exports2)}):"
                         )
                     print(
-                        "** nm.diff(liefldd) [MISSING SYMBOLS] **\n{}".format(
-                            "\n".join(diff1)
-                        )
+                        "\n".join(("** nm.diff(liefldd) [MISSING SYMBOLS] **", *diff1))
                     )
                     print(
-                        "** liefldd.diff(nm) [  EXTRA SYMBOLS] **\n{}".format(
-                            "\n".join(diff2)
-                        )
+                        "\n".join(("** liefldd.diff(nm) [  EXTRA SYMBOLS] **", *diff2))
                     )
 
     if not result:
diff --git a/conda_build/os_utils/pyldd.py b/conda_build/os_utils/pyldd.py
index 42b89711ae..f3a980319c 100644
--- a/conda_build/os_utils/pyldd.py
+++ b/conda_build/os_utils/pyldd.py
@@ -708,13 +708,9 @@ def __init__(self, file):
             get_logger(__name__).warning(f"file.tell()={loc} != ehsize={self.ehsize}")
 
     def __str__(self):
-        return "bitness {}, endian {}, version {}, type {}, machine {}, entry {}".format(  # noqa
-            self.bitness,
-            self.endian,
-            self.version,
-            self.type,
-            hex(self.machine),
-            hex(self.entry),
+        return (
+            f"bitness {self.bitness}, endian {self.endian}, version {self.version}, "
+            f"type {self.type}, machine {hex(self.machine)}, entry {hex(self.entry)}"
         )
 
 
diff --git a/conda_build/plugin.py b/conda_build/plugin.py
index eddb85fe66..6ca5c34cc1 100644
--- a/conda_build/plugin.py
+++ b/conda_build/plugin.py
@@ -78,12 +78,18 @@ def conda_subcommands():
     )
     yield conda.plugins.CondaSubcommand(
         name="develop",
-        summary="Install a Python package in 'development mode'. Similar to `pip install --editable`.",
+        summary=(
+            "Install a Python package in 'development mode'. "
+            "Similar to `pip install --editable`."
+        ),
         action=develop,
     )
     yield conda.plugins.CondaSubcommand(
         name="index",
-        summary="Update package index metadata files. Pending deprecation, use https://github.com/conda/conda-index instead.",
+        summary=(
+            "Update package index metadata files. Pending deprecation, "
+            "use https://github.com/conda/conda-index instead."
+        ),
         action=index,
     )
     yield conda.plugins.CondaSubcommand(
diff --git a/conda_build/post.py b/conda_build/post.py
index 05af50b24f..0194bfda28 100644
--- a/conda_build/post.py
+++ b/conda_build/post.py
@@ -517,7 +517,14 @@ def check_binary(binary, expected=None):
     print("trying {}".format(binary))
     # import pdb; pdb.set_trace()
     try:
-        txt = check_output([sys.executable, '-c', 'from ctypes import cdll; cdll.LoadLibrary("' + binary + '")'], timeout=2)
+        txt = check_output(
+            [
+                sys.executable,
+                '-c',
+                'from ctypes import cdll; cdll.LoadLibrary("' + binary + '")'
+            ],
+            timeout=2,
+        )
         # mydll = cdll.LoadLibrary(binary)
     except Exception as e:
         print(e)
diff --git a/conda_build/skeletons/cran.py b/conda_build/skeletons/cran.py
index e3b22ef7d2..6a4dbe65f6 100755
--- a/conda_build/skeletons/cran.py
+++ b/conda_build/skeletons/cran.py
@@ -3,8 +3,6 @@
 """
 Tools for converting Cran packages to conda recipes.
 """
-
-
 import argparse
 import copy
 import hashlib
@@ -198,7 +196,7 @@
     popd
   fi
 fi
-"""
+"""  # noqa: E501
 
 CRAN_BUILD_SH_BINARY = """\
 #!/bin/bash
@@ -1299,10 +1297,8 @@ def skeletonize(
                     )
             if not is_github_url:
                 available_details["archive_keys"] = (
-                    "{url_key}{sel}"
-                    "    {cranurl}\n"
-                    "  {hash_entry}{sel}".format(**available_details)
-                )
+                    "{url_key}{sel}    {cranurl}\n  {hash_entry}{sel}"
+                ).format(**available_details)
 
         # Extract the DESCRIPTION data from the source
         if cran_package is None:
diff --git a/conda_build/skeletons/rpm.py b/conda_build/skeletons/rpm.py
index 409e3aad4b..76f2e5ea86 100644
--- a/conda_build/skeletons/rpm.py
+++ b/conda_build/skeletons/rpm.py
@@ -473,8 +473,9 @@ def remap_license(rpm_license):
     }
     l_rpm_license = rpm_license.lower()
     if l_rpm_license in mapping:
-        license, family = mapping[l_rpm_license], guess_license_family(
-            mapping[l_rpm_license]
+        license, family = (
+            mapping[l_rpm_license],
+            guess_license_family(mapping[l_rpm_license]),
         )
     else:
         license, family = rpm_license, guess_license_family(rpm_license)
diff --git a/conda_build/tarcheck.py b/conda_build/tarcheck.py
index 7884066014..3fc363986e 100644
--- a/conda_build/tarcheck.py
+++ b/conda_build/tarcheck.py
@@ -90,9 +90,8 @@ def correct_subdir(self):
             self.config.host_subdir,
             "noarch",
             self.config.target_subdir,
-        ], (
-            "Inconsistent subdir in package - index.json expecting {},"
-            " got {}".format(self.config.host_subdir, info["subdir"])
+        ], "Inconsistent subdir in package - index.json expecting {}, got {}".format(
+            self.config.host_subdir, info["subdir"]
         )
 
 
diff --git a/conda_build/variants.py b/conda_build/variants.py
index d7c6841238..1237154c89 100644
--- a/conda_build/variants.py
+++ b/conda_build/variants.py
@@ -164,7 +164,8 @@ def validate_spec(src, spec):
             "  zip_key entry {} in group {} is a duplicate, keys can only occur "
             "in one group".format(k, zg)
             # include error if key has already been seen, otherwise add to unique keys
-            if k in unique else unique.add(k)
+            if k in unique
+            else unique.add(k)
             for zg in zip_keys
             for k in zg
         )
diff --git a/tests/conftest.py b/tests/conftest.py
index 3aca5b4bc7..5de4fa4b78 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -72,7 +72,8 @@ def testing_homedir() -> Iterator[Path]:
             os.chdir(saved)
     except OSError:
         pytest.xfail(
-            f"failed to create temporary directory () in {'%HOME%' if on_win else '${HOME}'} (tmpfs inappropriate for xattrs)"
+            f"failed to create temporary directory () in {'%HOME%' if on_win else '${HOME}'} "
+            "(tmpfs inappropriate for xattrs)"
         )
 
 
diff --git a/tests/test_api_build.py b/tests/test_api_build.py
index e0c786dcc8..e0a5b4df7b 100644
--- a/tests/test_api_build.py
+++ b/tests/test_api_build.py
@@ -398,9 +398,7 @@ def dummy_executable(folder, exename):
     echo ******* conda that makes it not add the _build/bin directory onto the
     echo ******* PATH before running the source checkout tool
     exit -1
-    """.format(
-                exename
-            )
+    """.format(exename)
         )
     if sys.platform != "win32":
         import stat
@@ -754,57 +752,30 @@ def test_relative_git_url_submodule_clone(testing_workdir, testing_config, monke
         if not os.path.exists(recipe_dir):
             os.makedirs(recipe_dir)
         filename = os.path.join(testing_workdir, "recipe", "meta.yaml")
-        data = OrderedDict(
-            [
-                (
-                    "package",
-                    OrderedDict(
-                        [
-                            ("name", "relative_submodules"),
-                            ("version", "{{ GIT_DESCRIBE_TAG }}"),
-                        ]
-                    ),
-                ),
-                ("source", OrderedDict([("git_url", toplevel), ("git_tag", str(tag))])),
-                requirements,
-                (
-                    "build",
-                    OrderedDict(
-                        [
-                            (
-                                "script",
-                                [
-                                    "git --no-pager submodule --quiet foreach git log -n 1 --pretty=format:%%s > "
-                                    "%PREFIX%\\summaries.txt  # [win]",
-                                    "git --no-pager submodule --quiet foreach git log -n 1 --pretty=format:%s > "
-                                    "$PREFIX/summaries.txt   # [not win]",
-                                ],
-                            )
-                        ]
-                    ),
-                ),
-                (
-                    "test",
-                    OrderedDict(
-                        [
-                            (
-                                "commands",
-                                [
-                                    "echo absolute{}relative{} > %PREFIX%\\expected_summaries.txt       # [win]".format(
-                                        tag, tag
-                                    ),
-                                    "fc.exe /W %PREFIX%\\expected_summaries.txt %PREFIX%\\summaries.txt # [win]",
-                                    "echo absolute{}relative{} > $PREFIX/expected_summaries.txt         # [not win]".format(
-                                        tag, tag
-                                    ),
-                                    "diff -wuN ${PREFIX}/expected_summaries.txt ${PREFIX}/summaries.txt # [not win]",
-                                ],
-                            )
-                        ]
-                    ),
-                ),
-            ]
-        )
+        data = {
+            "package": {
+                "name": "relative_submodules",
+                "version": "{{ GIT_DESCRIBE_TAG }}",
+            },
+            "source": {"git_url": toplevel, "git_tag": str(tag)},
+            **requirements,
+            "build": {
+                "script": [
+                    "git --no-pager submodule --quiet foreach git log -n 1 --pretty=format:%%s > "
+                    "%PREFIX%\\summaries.txt  # [win]",
+                    "git --no-pager submodule --quiet foreach git log -n 1 --pretty=format:%s > "
+                    "$PREFIX/summaries.txt   # [not win]",
+                ],
+            },
+            "test": {
+                "commands": [
+                    f"echo absolute{tag}relative{tag} > %PREFIX%\\expected_summaries.txt # [win]",
+                    "fc.exe /W %PREFIX%\\expected_summaries.txt %PREFIX%\\summaries.txt # [win]",
+                    f"echo absolute{tag}relative{tag} > $PREFIX/expected_summaries.txt # [not win]",
+                    "diff -wuN ${PREFIX}/expected_summaries.txt ${PREFIX}/summaries.txt # [not win]",
+                ],
+            },
+        }
 
         with open(filename, "w") as outfile:
             outfile.write(yaml.dump(data, default_flow_style=False, width=999999999))
@@ -1614,9 +1585,10 @@ def test_copy_test_source_files(testing_config):
                 found = True
                 break
         if found:
-            assert (
-                copy
-            ), "'info/test/test_files_folder/text.txt' found in tar.bz2 but not copying test source files"
+            assert copy, (
+                "'info/test/test_files_folder/text.txt' found in tar.bz2 "
+                "but not copying test source files"
+            )
             if copy:
                 api.test(outputs[0])
             else:
@@ -1624,8 +1596,8 @@ def test_copy_test_source_files(testing_config):
                     api.test(outputs[0])
         else:
             assert not copy, (
-                "'info/test/test_files_folder/text.txt' not found in tar.bz2 but copying test source files. File list: %r"
-                % files
+                "'info/test/test_files_folder/text.txt' not found in tar.bz2 "
+                f"but copying test source files. File list: {files!r}"
             )
 
 
diff --git a/tests/test_api_render.py b/tests/test_api_render.py
index a68f69135e..1451fbbbe0 100644
--- a/tests/test_api_render.py
+++ b/tests/test_api_render.py
@@ -99,8 +99,9 @@ def test_get_output_file_path_jinja2(testing_config):
     assert build_path == os.path.join(
         testing_config.croot,
         testing_config.host_subdir,
-        "conda-build-test-source-git-jinja2-1.20.2-"
-        "py{}{}_0_g262d444.tar.bz2".format(python, _hash),
+        "conda-build-test-source-git-jinja2-1.20.2-py{}{}_0_g262d444.tar.bz2".format(
+            python, _hash
+        ),
     )
 
 
diff --git a/tests/test_utils.py b/tests/test_utils.py
index b5536cdf6d..baa5bf5a34 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -293,9 +293,7 @@ def test_logger_config_from_file(testing_workdir, capfd, mocker):
 root:
   level: DEBUG
   handlers: [console]
-""".format(
-                __name__
-            )
+""".format(__name__)
         )
     cc_conda_build = mocker.patch.object(utils, "cc_conda_build")
     cc_conda_build.get.return_value = test_file