Revert "remove custom encoding warning after python 3.10+"

This reverts commit cb6b560.
materialsvirtuallab · Jan 10, 2025 · b301b1f · b301b1f
1 parent f805352
commit b301b1f
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/monty/io.py b/src/monty/io.py
@@ -22,6 +22,9 @@
     from typing import IO, Any, Iterator, Union
 
 
+class EncodingWarning(Warning): ...  # Added in Python 3.10
+
+
 def zopen(
     filename: Union[str, Path],
     /,