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

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

.flake8

@@ -105,4 +105,4 @@ pytest-mark-no-parentheses = true
 # WPS410: "Forbid some module-level variables" -- __all__ is a legitimate use case
 allowed-module-metadata = __all__
 
-show-source = true 
+show-source = true