Suppress the warning about regex here.
diff --git a/Lib/reconvert.py b/Lib/reconvert.py
index 59708da..ab6d040 100755
--- a/Lib/reconvert.py
+++ b/Lib/reconvert.py
@@ -60,6 +60,10 @@
 """
 
 
+import warnings
+warnings.filterwarnings("ignore", ".* regex .*", DeprecationWarning, __name__,
+                        append=1)
+
 import regex
 from regex_syntax import * # RE_*