diff --git a/edx_arch_experiments/datadog_monitoring/signals/handlers.py b/edx_arch_experiments/datadog_monitoring/signals/handlers.py
index b6430bf..04b5ab3 100644
--- a/edx_arch_experiments/datadog_monitoring/signals/handlers.py
+++ b/edx_arch_experiments/datadog_monitoring/signals/handlers.py
@@ -15,7 +15,7 @@
 def init_worker_process(sender, **kwargs):
     """
     Adds a Datadog span processor to each worker process.
-    
+
     We have to do this from inside the worker processes because they fork from the
     parent process before the plugin app is initialized.
     """
diff --git a/edx_arch_experiments/datadog_monitoring/tests/test_apps.py b/edx_arch_experiments/datadog_monitoring/tests/test_apps.py
index cf03b4d..bdea120 100644
--- a/edx_arch_experiments/datadog_monitoring/tests/test_apps.py
+++ b/edx_arch_experiments/datadog_monitoring/tests/test_apps.py
@@ -20,4 +20,4 @@ def test_signal_has_receiver(self):
         was already imported.
         """
         # the name of the function is in the weakref __repr__
-        assert 'init_worker_process' in worker_process_init.receivers[0][1].__repr__()
+        assert 'init_worker_process' in repr(worker_process_init.receivers[0][1])