add server-sent events (SSE) function

handler.py

@@ -35,6 +35,8 @@ class EndpointHandler():
             'ranked_docs': ranked_docs,
             'scores': scores
             }
+
+            return outputs
             
         else:
             assert len(data['inputs']['claims']) == 1, "Only one claim is allowed for web retrieval for the current version."
@@ -53,10 +55,9 @@ class EndpointHandler():
                 }
                 yield f"data: {json.dumps(outputs)}\n"
             
-        return generate_sse()
+            return generate_sse()
 
     
-    
     def search_relevant_docs(self, claim, timeout=10, max_search_results_per_query=5, allow_duplicated_urls=False):
 
         search_results = search_google(claim, timeout=timeout)