changed the way how the dynamic param function searches it's parent scope, to enable smooth list comprehension following

jedi/evaluate/dynamic.py

@@ -95,7 +95,7 @@ def search_params(evaluator, param):
                         continue
                     scopes = [scope]
                     if first:
-                        scopes = evaluator.eval_call_path(iter(first), scope, pos)
+                        scopes = evaluator.eval_call_path(iter(first), c.parent, pos)
                         pos = None
                     from jedi.evaluate import representation as er
                     for scope in scopes: