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

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

Author: pre-commit-ci[bot]

docs/conf.py

@@ -14,7 +14,6 @@
 
 import mrvi  # noqa
 
-
 # -- General configuration ---------------------------------------------
 
 # If your documentation needs a minimal Sphinx version, state it here.