Use yaml FullLoader that handle UUID type as well

tests/rmq/test_communicator.py

@@ -19,6 +19,15 @@
 from . import RmqCoordinator
 from .. import utils
 
+def uuid_representer(dumper, data):
+    return dumper.represent_scalar(u'!uuid', str(data))
+
+def uuid_constructor(loader, node):
+    value = loader.construct_scalar(node)
+    return uuid.UUID(value)
+
+yaml.add_representer(uuid.UUID, uuid_representer)
+yaml.add_constructor(u'!uuid', uuid_constructor)
 
 @pytest.fixture
 def persister():
@@ -41,7 +50,8 @@ def _coordinator():
         message_exchange=message_exchange,
         task_exchange=task_exchange,
         task_queue=task_queue,
-        decoder=functools.partial(yaml.load, Loader=yaml.Loader),
+        encoder=functools.partial(yaml.dump, encoding='utf-8'),
+        decoder=functools.partial(yaml.load, Loader=yaml.FullLoader),
     )
 
     loop = asyncio.get_event_loop()