1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/sre.py b/Lib/sre.py
index 8d03e921a9..859ff9e70d 100644
--- a/Lib/sre.py
+++ b/Lib/sre.py
@@ -181,7 +181,7 @@ def _split(pattern, string, maxsplit=0):
             continue
         append(string[i:b])
         if g and b != e:
-            extend(m.groups())
+            extend(list(m.groups()))
         i = e
         n = n + 1
     append(string[i:])