diff --git a/jedi/evaluate/compiled/fake/_functools.pym b/jedi/evaluate/compiled/fake/_functools.pym
index a4b1ebb1..909ef03f 100644
--- a/jedi/evaluate/compiled/fake/_functools.pym
+++ b/jedi/evaluate/compiled/fake/_functools.pym
@@ -5,4 +5,5 @@ class partial():
         self.__keywords = keywords
 
     def __call__(self, *args, **kwargs):
-        return self.__func(*(self.__args + args), **dict(self.__keywords, **kwargs))
+        # TODO should be **dict(self.__keywords, **kwargs)
+        return self.__func(*(self.__args + args), **self.__keywords)
diff --git a/jedi/evaluate/helpers.py b/jedi/evaluate/helpers.py
index cad9873d..fe2d0521 100644
--- a/jedi/evaluate/helpers.py
+++ b/jedi/evaluate/helpers.py
@@ -104,7 +104,10 @@ def deep_ast_copy(obj, new_elements_default=None, check_first=False):
     # TODO this sucks... we need to change it.
     # DOESNT WORK
     for unfinished in unfinished_parents:
-        unfinished.parent = new_elements[unfinished.parent]
+        try:
+            unfinished.parent = new_elements[unfinished.parent]
+        except KeyError: # TODO this keyerror is useless.
+            pass
 
     return result