diff --git a/dlt/common/configuration/specs/run_configuration.py b/dlt/common/configuration/specs/run_configuration.py
index 6833b7678d..dcb78683fb 100644
--- a/dlt/common/configuration/specs/run_configuration.py
+++ b/dlt/common/configuration/specs/run_configuration.py
@@ -17,7 +17,9 @@ class RunConfiguration(BaseConfiguration):
     dlthub_telemetry: bool = True  # enable or disable dlthub telemetry
     dlthub_telemetry_endpoint: Optional[str] = "https://telemetry.scalevector.ai"
     dlthub_telemetry_segment_write_key: Optional[str] = None
-    log_format: str = "{asctime}|[{levelname}]|{process}|{thread}|{name}|{filename}|{funcName}:{lineno}|{message}"
+    log_format: str = (
+        "{asctime}|[{levelname}]|{process}|{thread}|{name}|{filename}|{funcName}:{lineno}|{message}"
+    )
     log_level: str = "WARNING"
     request_timeout: float = 60
     """Timeout for http requests"""
diff --git a/docs/tools/prepare_examples_tests.py b/docs/tools/prepare_examples_tests.py
index 1d67645194..d39d311a50 100644
--- a/docs/tools/prepare_examples_tests.py
+++ b/docs/tools/prepare_examples_tests.py
@@ -68,8 +68,8 @@
             # convert the main clause to a test function
             if line.startswith(MAIN_CLAUSE):
                 main_clause_found = True
-                processed_lines.append("@skipifgithubfork") # skip on forks
-                processed_lines.append("@pytest.mark.forked") # skip on forks
+                processed_lines.append("@skipifgithubfork")  # skip on forks
+                processed_lines.append("@pytest.mark.forked")  # skip on forks
                 processed_lines.append(f"def test_{example}():")
             else:
                 processed_lines.append(line)