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

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

Author: pre-commit-ci[bot]

pandas/core/reshape/merge.py

@@ -3058,7 +3058,6 @@ def renamer(x, suffix: str | None):
     llabels = left._transform_index(lrenamer)
     rlabels = right._transform_index(rrenamer)
 
-
     # Check for duplicates created by suffixes
     left_collisions = llabels.intersection(right.difference(to_rename))
     right_collisions = rlabels.intersection(left.difference(to_rename))