From 7a758dabd836b2d709d5f1b620f7930fcdcfc567 Mon Sep 17 00:00:00 2001
From: Dave Halter <davidhalter88@gmail.com>
Date: Thu, 15 Jun 2017 19:31:23 +0200
Subject: [PATCH] Don't add issues if we're in an error node.

---
 parso/python/normalizer.py | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/parso/python/normalizer.py b/parso/python/normalizer.py
index ed6e67c..1d179f9 100644
--- a/parso/python/normalizer.py
+++ b/parso/python/normalizer.py
@@ -395,6 +395,19 @@ class PEP8Normalizer(Normalizer):
 
         return leaf.value
 
+    def add_issue(self, code, message, node):
+        try:
+            parent = node.parent
+        except AttributeError:
+            # TODO for prefix parts, there's no parents yet.
+            pass
+        else:
+            while parent:
+                if parent.type == 'error_node':
+                    return
+                parent = parent.parent
+        super(PEP8Normalizer, self).add_issue(code, message, node)
+
 
 class PEP8NormalizerConfig(NormalizerConfig):
     normalizer_class = PEP8Normalizer