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

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

Author: pre-commit-ci[bot]

src/tox/tox_env/python/pip/req/file.py

@@ -34,8 +34,7 @@
 
 
 def _looks_like_version_specifier(req: str) -> bool:
-    """Check if a string contains PEP 440 version specifier operators, suggesting it's an invalid requirement rather
-    than a local path (e.g. ``pre-commit ~= 4`` where ``~=`` triggers tilde expansion if treated as a path)."""
+    """Check if a string contains PEP 440 version specifier operators, suggesting it's an invalid requirement rather than a local path (e.g. ``pre-commit ~= 4`` where ``~=`` triggers tilde expansion if treated as a path)."""
     return bool(_VERSION_SPECIFIER.search(req))