filter ix public peer same-router addresses by protocol

inventory_provider/routes/classifier.py

@@ -104,14 +104,15 @@ def ix_peering_info(peer_info):
         other = r.get(k.decode('utf-8')).decode('utf-8')
         other = json.loads(other)
 
+        peer_address = ipaddress.ip_address(other['name'])
+        if protocol != type(peer_address).__name__:
+            continue
+
         if other['router'] == peer_info['router']:
             result['router'].append(other['name'])
 
         assert other['description'] is not None  # sanity: as above...
-        if not other['description'].startswith(keyword):
-            continue
-        peer_address = ipaddress.ip_address(other['name'])
-        if protocol == type(peer_address).__name__:
+        if other['description'].startswith(keyword):
             result['group'].append(other['name'])
 
     return result