diff --git a/alembic/script/base.py b/alembic/script/base.py
index d3cccf6c..30df6ddb 100644
--- a/alembic/script/base.py
+++ b/alembic/script/base.py
@@ -201,7 +201,8 @@ def from_config(cls, config: Config) -> ScriptDirectory:
                 raise ValueError(
                     "'%s' is not a valid value for "
                     "version_path_separator; "
-                    "expected 'space', 'newline', 'os', ':', ';'" % version_path_separator
+                    "expected 'space', 'newline', 'os', ':', ';'"
+                    % version_path_separator
                 ) from ke
             else:
                 if split_char is None:
@@ -211,7 +212,9 @@ def from_config(cls, config: Config) -> ScriptDirectory:
                     )
                 else:
                     version_locations = [
-                        x.strip() for x in version_locations_str.split(split_char) if x
+                        x.strip()
+                        for x in version_locations_str.split(split_char)
+                        if x
                     ]
         else:
             version_locations = None
diff --git a/alembic/testing/assertions.py b/alembic/testing/assertions.py
index d1f7103f..e071697c 100644
--- a/alembic/testing/assertions.py
+++ b/alembic/testing/assertions.py
@@ -74,7 +74,9 @@ class _ErrorContainer:
 
 
 @contextlib.contextmanager
-def _expect_raises(except_cls, msg=None, check_context=False, text_exact=False):
+def _expect_raises(
+    except_cls, msg=None, check_context=False, text_exact=False
+):
     ec = _ErrorContainer()
     if check_context:
         are_we_already_in_a_traceback = sys.exc_info()[0]
@@ -101,8 +103,12 @@ def expect_raises(except_cls, check_context=True):
     return _expect_raises(except_cls, check_context=check_context)
 
 
-def expect_raises_message(except_cls, msg, check_context=True, text_exact=False):
-    return _expect_raises(except_cls, msg=msg, check_context=check_context, text_exact=text_exact)
+def expect_raises_message(
+    except_cls, msg, check_context=True, text_exact=False
+):
+    return _expect_raises(
+        except_cls, msg=msg, check_context=check_context, text_exact=text_exact
+    )
 
 
 def eq_ignore_whitespace(a, b, msg=None):