TYP: Remove use of deprecated mypy option (pandas-dev#48239)

hauntsaninja · web-flow · commit 4b645ae5a0c7 · 2022-09-03T15:53:17.000-04:00
Remove use of deprecated mypy option `show_none_errors` is deprecated, see python/mypy#13507
diff --git a/pyproject.toml b/pyproject.toml
@@ -100,7 +100,6 @@ warn_no_return = true
 warn_return_any = false # TODO
 warn_unreachable = false # GH#27396
 # Suppressing errors
-show_none_errors = true
 ignore_errors = false
 enable_error_code = "ignore-without-code"
 # Miscellaneous strictness flags
