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

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

Author: pre-commit-ci[bot]

mypy/checker.py

@@ -8881,7 +8881,7 @@ def visit_assignment_stmt(self, s: AssignmentStmt) -> None:
         for lv in s.lvalues:
             lv.accept(self)
             if isinstance(lv, MemberExpr):
-                if lv.name == '__class__':
+                if lv.name == "__class__":
                     self.fail("Assignment to '__class__' is unsafe and not allowed", lv)
         self.lvalue = False
 

test-data/unit/check-assign-to-class.test

@@ -21,4 +21,4 @@ class E:
     def baz(self):
         self.x = 2  # OK
 
-# Trigger GitHub Actions for testing
+# Trigger GitHub Actions for testing