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

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

Author: pre-commit-ci[bot]

doc/development_guide/contributor_guide/contribute.rst

@@ -7,7 +7,7 @@
 Finding something to do
 -----------------------
 
-Want to contribute to pylint? There's a lot of things you can do. 
+Want to contribute to pylint? There's a lot of things you can do.
 Here's a list of links you can check depending on what you want to do:
 
 - `Asking a question on discord`_, or `on github`_