# HG changeset patch
# Parent 8838cb4732954be59489ce5faeccb0bef846b939
diff --git a/Lib/inspect.py b/Lib/inspect.py
--- a/Lib/inspect.py
+++ b/Lib/inspect.py
@@ -1607,8 +1607,8 @@
 
     empty = _empty
 
-    def __init__(self, name, kind, *, default=_empty, annotation=_empty,
-                 _partial_kwarg=False):
+    def __init__(self, name, kind=_POSITIONAL_OR_KEYWORD, *,
+                 default=_empty, annotation=_empty, _partial_kwarg=False):
 
         if kind not in (_POSITIONAL_ONLY, _POSITIONAL_OR_KEYWORD,
                         _VAR_POSITIONAL, _KEYWORD_ONLY, _VAR_KEYWORD):