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

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

Author: pre-commit-ci[bot]

mypy/plugins/dataclasses.py

@@ -461,9 +461,10 @@ def add_slots(
         existing_slots = info.names.get("__slots__")
         slots_defined_by_plugin = existing_slots is not None and existing_slots.plugin_generated
         if (
-            (info.slots is not None and info.slots != generated_slots and not slots_defined_by_plugin)
-            or (existing_slots is not None and not slots_defined_by_plugin)
-        ):
+            info.slots is not None
+            and info.slots != generated_slots
+            and not slots_defined_by_plugin
+        ) or (existing_slots is not None and not slots_defined_by_plugin):
             # This means we have a slots conflict.
             # Class explicitly specifies a different `__slots__` field.
             # And `@dataclass(slots=True)` is used.