hey, all the per-file-ignores can be removed!

Author: MarcoGorelli

pandas/core/reshape/merge.py

@@ -10,6 +10,7 @@
 from typing import (
     TYPE_CHECKING,
     Hashable,
+    Literal,
     Sequence,
     cast,
 )
@@ -31,7 +32,6 @@
     DtypeObj,
     IndexLabel,
     JoinHow,
-    Literal,
     MergeHow,
     Shape,
     Suffixes,

pyproject.toml

@@ -249,10 +249,6 @@ exclude = [
   "env",
 ]
 
-[tool.ruff.per-file-ignores]
-# undefined name with Literal (https://github.com/charliermarsh/ruff/issues/733 but should be fixed?)
-"pandas/core/reshape/merge.py" = ["F821"]
-
 [tool.pylint.messages_control]
 max-line-length = 88
 disable = [