ai: Filter out blank responses.

jarvis.py

@@ -304,10 +304,11 @@ async def respond_async(multi, history, model_display, sess, custom_prompt):
                 chunk = d.result()
                 if chunk is None:
                     raise StopAsyncIteration
+                if not chunk.strip():
+                    continue
                 if not first_meaningful_chunk_found:
-                    if chunk.strip():
-                        history[-1][1] = chunk
-                        first_meaningful_chunk_found = True
+                    history[-1][1] = chunk
+                    first_meaningful_chunk_found = True
                 else:
                     history[-1][1] += chunk
                 yield history, gr.update(interactive=False, submit_btn=False, stop_btn=True), sess