From 8149eabdf91cb845a13f7209e847d53a7dabafc3 Mon Sep 17 00:00:00 2001
From: Dave Halter <davidhalter88@gmail.com>
Date: Sun, 28 Jan 2018 20:56:04 +0100
Subject: [PATCH] Remove something that obviously never happened

---
 jedi/evaluate/helpers.py | 2 --
 1 file changed, 2 deletions(-)

diff --git a/jedi/evaluate/helpers.py b/jedi/evaluate/helpers.py
index 8800885e..c6226cde 100644
--- a/jedi/evaluate/helpers.py
+++ b/jedi/evaluate/helpers.py
@@ -176,8 +176,6 @@ def get_module_names(module, all_scopes):
 @contextmanager
 def predefine_names(context, flow_scope, dct):
     predefined = context.predefined_names
-    if flow_scope in predefined:
-        raise NotImplementedError('Why does this happen?')
     predefined[flow_scope] = dct
     try:
         yield