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

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

Author: pre-commit-ci[bot]

CHANGELOG.rst

@@ -42,7 +42,7 @@ v4.0.0
 * Validation errors now have a ``json_path`` attribute, describing their
   location in JSON path format
 * Support for the IP address and domain name formats has been improved
-* Support for Python 2 and 3.6 has been dropped, with ``python_requires`` 
+* Support for Python 2 and 3.6 has been dropped, with ``python_requires``
   properly set.
 * ``multipleOf`` could overflow when given sufficiently large numbers. Now,
   when an overflow occurs, ``jsonschema`` will fall back to using fraction