fix Name (instead of Param) as param key

jedi/evaluate.py

@@ -598,11 +598,12 @@ def follow_call_list(call_list, follow_array=False):
                 # comprehensions
                 result += follow_statement(stmt)
             else:
-                if isinstance(call, (pr.Lambda)):
+                if isinstance(call, pr.Lambda):
                     result.append(er.Function(call))
                 # With things like params, these can also be functions...
                 elif isinstance(call, (er.Function, er.Class, er.Instance,
                                                 dynamic.ArrayInstance)):
+                    # TODO this is just not very well readable -> fix, use pr.Base
                     result.append(call)
                 # The string tokens are just operations (+, -, etc.)
                 elif not isinstance(call, (str, unicode)):

jedi/evaluate_representation.py

@@ -305,7 +305,6 @@ class Function(use_metaclass(cache.CachedMetaClass, pr.Base)):
     """
     Needed because of decorators. Decorators are evaluated here.
     """
-
     def __init__(self, func, is_decorated=False):
         """ This should not be called directly """
         self.base_func = func
@@ -639,7 +638,9 @@ class Execution(Executable):
                         for key_stmt, value_stmt in array.items():
                             # first index, is the key if syntactically correct
                             call = key_stmt.get_commands()[0]
-                            if type(call) == pr.Call:
+                            if isinstance(call, pr.Name):
+                                yield call, value_stmt
+                            elif type(call) == pr.Call:
                                 yield call.name, value_stmt
                             else:
                                 # `pr`.[Call|Function|Class] lookup.

jedi/helpers.py

@@ -55,9 +55,6 @@ def fast_parent_copy(obj):
             elif isinstance(el, list):
                 copied_list[i] = list_rec(el)
         return copied_list
-
-    if isinstance(obj, list):
-        obj = tuple(obj)
     return recursion(obj)