diff --git a/conftest.py b/conftest.py
--- a/conftest.py
+++ b/conftest.py
@@ -7,8 +7,6 @@
 
 # Modules that should not be loaded by --doctest-modules
 collect_ignore = [
-    # ImportError
-    'swh/scheduler/updater/ghtorrent/fake.py',
     # NotImplementedError: save_group is not supported by this backend.
     'swh/scheduler/tests/tasks.py',
     # OSError: Configuration file must be defined
diff --git a/swh/scheduler/updater/ghtorrent/fake.py b/swh/scheduler/updater/ghtorrent/fake.py
--- a/swh/scheduler/updater/ghtorrent/fake.py
+++ b/swh/scheduler/updater/ghtorrent/fake.py
@@ -9,7 +9,12 @@
 from arrow import utcnow
 from kombu import Connection
 
-from swh.scheduler.updater.ghtorrent import RabbitMQConn, events
+from swh.scheduler.updater.ghtorrent import events
+
+
+class RabbitMQConn:
+    # FIXME
+    pass
 
 
 class FakeRandomOriginGenerator: