fix if statement to include else when repos are a dict

iso/empanadas/empanadas/util/shared.py

@@ -969,6 +969,7 @@ class Shared:
         for idx, candidate in enumerate(extra_repos):
             if isinstance(candidate, dict):
                 url, priority = candidate['url'], candidate.get('priority', None)
+            else:
                 url, priority = candidate.split(',')
             if not priority:
                 priority = 100