diff --git a/tools/formatter.py b/tools/formatter.py
index 7437ebba..e6f57bfe 100644
--- a/tools/formatter.py
+++ b/tools/formatter.py
@@ -2,7 +2,6 @@
 
 import re
 import json
-import io
 
 """
 Examples:
@@ -327,7 +326,7 @@ def go(path):
 
 		print(f"{len(entries)} checked.")
 
-		with io.open(path, "w", encoding='utf-8', newline='\r\n') as f2:
+		with open(path, "w", encoding='utf-8', newline='\r\n') as f2:
 			f2.write(per_line_entries(entries))
 
 		print("Writing completed. All done.")