Resolve ruff check warnings

Author: dralley

pulp_container/app/__init__.py

@@ -36,6 +36,6 @@ def update_sequences(sender, **kwargs):
 
     def ready(self):
         super().ready()
-        from . import checks
+        from . import checks  # noqa: F401
 
         post_migrate.connect(PulpContainerPluginAppConfig.update_sequences, sender=self)

pulp_container/app/serializers.py

@@ -587,11 +587,10 @@ def validate(self, data):
         except models.Manifest.DoesNotExist:
             raise serializers.ValidationError(
                 _(
-                    "A manifest with the digest '{}' does not "
-                    "exist in the latest repository version '{}'".format(
-                        new_data["digest"], latest_version
-                    )
+                    "A manifest with the digest '%s' does not "
+                    "exist in the latest repository version '%s'"
                 )
+                % (new_data["digest"], latest_version)
             )
 
         new_data["manifest"] = manifest
@@ -616,11 +615,8 @@ def validate(self, data):
             models.Tag.objects.get(pk__in=latest_version.content.all(), name=new_data["tag"])
         except models.Tag.DoesNotExist:
             raise serializers.ValidationError(
-                _(
-                    "The tag '{}' does not exist in the latest repository version '{}'".format(
-                        new_data["tag"], latest_version
-                    )
-                )
+                _("The tag '%s' does not exist in the latest repository version '%s'")
+                % (new_data["tag"], latest_version)
             )
 
         return new_data
@@ -645,7 +641,7 @@ def validate(self, data):
         if content_units:
             if "*" in content_units and len(content_units) > 1:
                 raise serializers.ValidationError(
-                    _("'*' should be the only item present in the {}".format(content_units))
+                    _("'*' should be the only item present in the {}").format(content_units)
                 )
         return data
 
@@ -739,11 +735,10 @@ def validate(self, data):
         except models.Manifest.DoesNotExist:
             raise serializers.ValidationError(
                 _(
-                    "A manifest with the digest '{}' does not "
-                    "exist in the latest repository version '{}'".format(
-                        new_data["digest"], latest_version
-                    )
+                    "A manifest with the digest '%s' does not "
+                    "exist in the latest repository version '%s'"
                 )
+                % (new_data["digest"], latest_version)
             )
 
         new_data["manifest"] = manifest
@@ -782,11 +777,10 @@ def validate(self, data):
         if not sigs_pks:
             raise serializers.ValidationError(
                 _(
-                    "There are no signatures in the latest repository version '{}' "
-                    "produced with the specified key_id '{}'".format(
-                        latest_version, new_data["signed_with_key_id"]
-                    )
+                    "There are no signatures in the latest repository version '%s' "
+                    "produced with the specified key_id '%s'"
                 )
+                % (latest_version, new_data["signed_with_key_id"])
             )
 
         new_data["sigs_pks"] = sigs_pks