API - watch.link was accidently a tuple, enforcing string

changedetectionio/api/Watch.py

@@ -103,7 +103,7 @@ class Watch(Resource):
         # attr .last_changed will check for the last written text snapshot on change
         watch['last_changed'] = watch_obj.last_changed
         watch['viewed'] = watch_obj.viewed
-        watch['link'] = watch_obj.link,
+        watch['link'] = watch_obj.link
 
         return watch
 

changedetectionio/tests/test_api.py

@@ -102,6 +102,8 @@ def test_api_simple(client, live_server, measure_memory_usage, datastore_path):
     #705 `last_changed` should be zero on the first check
     assert before_recheck_info['last_changed'] == 0
     assert before_recheck_info['title'] == 'My test URL'
+    assert isinstance(before_recheck_info['link'], str), "link must be a plain string, not a tuple or list"
+    assert before_recheck_info['link'] == test_url
 
     # Check the limit by tag doesnt return anything when nothing found
     res = client.get(