Call inspect.signature on full class

gpotter2 · gpotter2 · commit e8d652a21b5b · 2021-10-18T16:08:29.000+02:00
diff --git a/IPython/core/completer.py b/IPython/core/completer.py
@@ -1542,7 +1542,7 @@ def _default_arguments(self, obj):
                   inspect.Parameter.POSITIONAL_OR_KEYWORD)
 
         try:
-            sig = inspect.signature(call_obj)
+            sig = inspect.signature(obj)
             ret.extend(k for k, v in sig.parameters.items() if
                        v.kind in _keeps)
         except ValueError:
