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

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

Author: pre-commit-ci[bot]

docs/source/release-notes/2.0.1.rst

@@ -7,7 +7,7 @@
 
 - Fix bug where an empty path was not being matched by the PATH_EMPTY
   regex - `bug 88`_
-  
+
 - Fix bug where a newline character embedded in a fragment would
   cause regex parsing to halt - `bug 99`