[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

mypy/semanal_enum.py

@@ -104,7 +104,9 @@ class A(enum.Enum):
         if fullname not in ENUM_BASES:
             return None
 
-        new_class_name, items, values, ok = self.parse_enum_call_args(call, fullname.split(".")[-1])
+        new_class_name, items, values, ok = self.parse_enum_call_args(
+            call, fullname.split(".")[-1]
+        )
         if not ok:
             # Error. Construct dummy return value.
             name = var_name