diff --git a/certomancer/integrations/animator.py b/certomancer/integrations/animator.py
index f75e3a0..72af8e7 100644
--- a/certomancer/integrations/animator.py
+++ b/certomancer/integrations/animator.py
@@ -450,9 +450,11 @@ def serve_attr_cert(
         data = cert.dump()
         if use_pem:
             data = pem.armor(
-                'attribute certificate'
-                if cert_label is not None
-                else 'certificate',
+                (
+                    'attribute certificate'
+                    if cert_label is not None
+                    else 'certificate'
+                ),
                 data,
             )
         return Response(data, mimetype=mime)
diff --git a/certomancer/registry/issued/general.py b/certomancer/registry/issued/general.py
index eeb2986..cbc77b0 100644
--- a/certomancer/registry/issued/general.py
+++ b/certomancer/registry/issued/general.py
@@ -123,9 +123,11 @@ def parse_extension_settings(sett_dict, sett_key):
                 "Applicable extensions must be specified as a list."
             )
         sett_dict[sett_key] = result = [
-            sett
-            if isinstance(sett, ExtensionSpec)
-            else ExtensionSpec.from_config(sett)
+            (
+                sett
+                if isinstance(sett, ExtensionSpec)
+                else ExtensionSpec.from_config(sett)
+            )
             for sett in ext_spec
         ]
         return result
diff --git a/certomancer/registry/pki_arch.py b/certomancer/registry/pki_arch.py
index bcce103..817c334 100644
--- a/certomancer/registry/pki_arch.py
+++ b/certomancer/registry/pki_arch.py
@@ -475,18 +475,18 @@ def __init__(
             ac_labels_by_issuer,
             ac_labels_by_holder,
         ) = _process_ac_spec_config(ac_spec_config or {})
-        self._cert_labels_by_issuer: Dict[
-            EntityLabel, List[CertLabel]
-        ] = cert_labels_by_issuer
-        self._cert_labels_by_subject: Dict[
-            EntityLabel, List[CertLabel]
-        ] = cert_labels_by_subject
-        self._ac_labels_by_issuer: Dict[
-            EntityLabel, List[CertLabel]
-        ] = ac_labels_by_issuer
-        self._ac_labels_by_holder: Dict[
-            EntityLabel, List[CertLabel]
-        ] = ac_labels_by_holder
+        self._cert_labels_by_issuer: Dict[EntityLabel, List[CertLabel]] = (
+            cert_labels_by_issuer
+        )
+        self._cert_labels_by_subject: Dict[EntityLabel, List[CertLabel]] = (
+            cert_labels_by_subject
+        )
+        self._ac_labels_by_issuer: Dict[EntityLabel, List[CertLabel]] = (
+            ac_labels_by_issuer
+        )
+        self._ac_labels_by_holder: Dict[EntityLabel, List[CertLabel]] = (
+            ac_labels_by_holder
+        )
         self._cert_cache = cert_cache
         self._ac_cache = ac_cache