Removes unused mypy.errors import from stubgen (#11042)

sobolevn · web-flow · commit 5e73cd7b0dc9 · 2021-09-01T10:29:16.000-07:00
That's the last unsued import I found. Related #11041
diff --git a/mypy/stubgen.py b/mypy/stubgen.py
@@ -60,7 +60,6 @@
 
 import mypy.build
 import mypy.parse
-import mypy.errors
 import mypy.traverser
 import mypy.mixedtraverser
 import mypy.util
