diff --git a/launch/__init__.py b/launch/__init__.py
index 6fd2070..4bbcff1 100644
--- a/launch/__init__.py
+++ b/launch/__init__.py
@@ -28,6 +28,7 @@
     EndpointRequest,
     EndpointResponse,
     EndpointResponseFuture,
+    EndpointResponseStream,
     SyncEndpoint,
 )
 
@@ -39,6 +40,7 @@
     "EndpointRequest",
     "EndpointResponse",
     "EndpointResponseFuture",
+    "EndpointResponseStream",
     "LaunchClient",
     "ModelBundle",
     "PostInferenceHooks",
diff --git a/launch/model_endpoint.py b/launch/model_endpoint.py
index 2a45a57..0bd0e27 100644
--- a/launch/model_endpoint.py
+++ b/launch/model_endpoint.py
@@ -305,7 +305,7 @@ def __next__(self):
         """Uses server-sent events to iterate through the stream."""
         event = self.events.__next__()
         data = json.loads(event.data)
-        result = data.get("result", {})
+        result = data.get("result", {}) or {}
         return EndpointResponse(
             client=None,
             status=data["status"],