Fix a bug in call_of_name.

It was possible to get a NAME(x) result when calling call_of_name on x, which shouldn't happen. It should just return x.

jedi/evaluate/helpers.py

@@ -86,6 +86,9 @@ def call_of_name(name, cut_own_trailer=False):
     par = name
     if tree.is_node(par.parent, 'trailer'):
         par = par.parent
+        if par.children[0] in ('(', '['):
+            # The trailer is not a NAME.NAME trailer, but a call to something.
+            return name
 
     power = par.parent
     if tree.is_node(power, 'power') and power.children[0] != name \