--- a/hgext/convert/common.py	Thu Mar 03 07:56:47 2022 -0800
+++ b/hgext/convert/common.py	Mon Feb 21 12:42:48 2022 -0700
@@ -552,7 +552,7 @@
             if err.errno != errno.ENOENT:
                 raise
             return
-        for i, line in enumerate(util.iterfile(fp)):
+        for i, line in enumerate(fp):
             line = line.splitlines()[0].rstrip()
             if not line:
                 # Ignore blank lines