From 74708c3e3a1f3d44139e8a041042d19c4105cb62 Mon Sep 17 00:00:00 2001
From: dmiller <dmiller@e0a8ed71-7df4-0310-8962-fdc924857419>
Date: Mon, 30 Dec 2019 06:46:35 +0000
Subject: [PATCH] Hash Port objects by port spec, fixing breakage

---
 ndiff/ndiff.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ndiff/ndiff.py b/ndiff/ndiff.py
index 6be4c12a8..4cafd3f0a 100755
--- a/ndiff/ndiff.py
+++ b/ndiff/ndiff.py
@@ -324,7 +324,8 @@ class Port(object):
     def spec_string(self):
         return u"%d/%s" % self.spec
 
-    __hash__ = None
+    def __hash__(self):
+        return hash(self.spec)
 
     def __cmp__(self, other):
         d = cmp(self.spec, other.spec)