Ignore F8111 flake8 error

It conflicts with `@overload`s in type stubs

Author: alanhdu

setup.cfg

@@ -4,7 +4,8 @@
 #   E305 expected 2 blank lines after class or function definition, found 1
 #   E701 multiple statements on one line (colon)
 #   E704 multiple statements on one line (def)
+#   F811 redefinition of unused (not compatible with @overload)
 
 [flake8]
-ignore = E301, E302, E305, E701, E704
+ignore = E301, E302, E305, E701, E704, F811
 exclude = .git,__pycache__,tests/reveal