Code review changes

Author: tim-schilling

debug_toolbar/panels/staticfiles.py

@@ -113,8 +113,8 @@ def _store_static_files_signal_handler(self, sender, staticfile, **kwargs):
             self.used_paths.append(staticfile)
 
     def enable_instrumentation(self):
-        record_static_file_signal.connect(self._store_static_files_signal_handler)
         self.ctx_token = request_id_context_var.set(self.request_id)
+        record_static_file_signal.connect(self._store_static_files_signal_handler)
 
     def disable_instrumentation(self):
         record_static_file_signal.disconnect(self._store_static_files_signal_handler)

tests/panels/test_staticfiles.py

@@ -38,7 +38,7 @@ async def get_response(request):
         async_request = AsyncRequestFactory().get("/")
         response = await self.panel.process_request(async_request)
         self.panel.generate_stats(self.request, response)
-        self.assertNotEqual(self.panel.num_used, 0)
+        self.assertEqual(self.panel.num_used, 1)
 
     def test_insert_content(self):
         """