1 files changed, 6 insertions, 0 deletions
diff --git a/Lib/functools.py b/Lib/functools.py
index 39a4af81d05..ab7d71e126b 100644
--- a/Lib/functools.py
+++ b/Lib/functools.py
@@ -423,6 +423,12 @@ class partialmethod(object):
     def __isabstractmethod__(self):
         return getattr(self.func, "__isabstractmethod__", False)
 
+# Helper functions
+
+def _unwrap_partial(func):
+    while isinstance(func, partial):
+        func = func.func
+    return func
 
 ################################################################################
 ### LRU Cache function decorator