Test: fix tests to check for None first

Author: humitos

readthedocs/api/v2/views/integrations.py

@@ -431,7 +431,7 @@ def handle_webhook(self):
                 (created or deleted),
         ]):
             integration = self.get_integration()
-            events = integration.provider_data.get('events', [])
+            events = integration.provider_data.get('events', []) if integration.provider_data else []
             if any([
                     GITHUB_CREATE in events,
                     GITHUB_DELETE in events,

readthedocs/builds/models.py

@@ -738,7 +738,7 @@ def config(self):
         # probably change this field to be a ForeignKey to avoid repeating the
         # config file over and over again and re-use them to save db data as
         # well
-        if self.CONFIG_KEY in self._config:
+        if self._config and self.CONFIG_KEY in self._config:
             return (
                 Build.objects
                 .only('_config')