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

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Author: pre-commit-ci[bot]

mypyc/test-data/run-classes.test

@@ -2828,4 +2828,4 @@ Exception ignored in: <slot wrapper '__del__' of 'F' objects>
 Traceback (most recent call last):
   File "native.py", line 5, in __del__
     raise Exception("e2")
-Exception: e2
+Exception: e2