Tests

[mypyc] fix: UnboundLocalError incorrectly raised as AttributeError #20189

Job	Run time
Test mypyc suite with 32-bit Python	9m 37s
Test suite with py314t-ubuntu, mypyc-compiled	17m 53s
Test suite with py312-ubuntu	10m 11s
mypyc runtime tests with py313-macos	5m 40s
Parallel tests with py314-ubuntu, mypyc-compiled	28m 10s
Parallel tests with py314-ubuntu, interpreted	23m 32s
mypyc runtime tests with py310-ubuntu	5m 36s
Test suite with py311-ubuntu	9m 32s
Test suite with py313-ubuntu, mypyc-compiled	14m 52s
Test suite with py310-ubuntu, mypyc-compiled	14m 49s
Test suite with py314-ubuntu, mypyc-compiled	15m 18s
Test suite with py314-windows-64	25m 56s
Type check our own code (py310-ubuntu)	1m 40s
Formatting and code style with Black + ruff	1m 56s
Type check our own code (py310-windows-64)	3m 6s
	3h 7m 48s

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