Update main.py

main.py

@@ -949,7 +949,8 @@ def abacus_stream_generator(response, model: str, caching_info: Dict[str, Any]):
         # Close playground code block if needed
         if inside_code_block:
             content_buffer += "\n```"
-            yield f"data: {StreamResponse(id=stream_id, created=created_time, model=model, choices=[StreamChoice(delta={'content': '\n```'})]).json()}\n\n"
+            yield "data: " + StreamResponse(id=stream_id, created=created_time, model=model, choices=[StreamChoice(delta={'content': '\n```\n'})]).json() + "\n\n"
+
 
         # --- New Caching Logic ---
         assistant_message = ChatMessage(role="assistant", content=content_buffer,
@@ -965,7 +966,7 @@ def abacus_stream_generator(response, model: str, caching_info: Dict[str, Any]):
 
         # Send completion signal
         log_debug("Sending completion signal")
-        yield f"data: {StreamResponse(id=stream_id, created=created_time, model=model, choices=[StreamChoice(delta={}, finish_reason='stop')]).json()}\n\n"
+        yield "data: " + StreamResponse(id=stream_id, created=created_time, model=model, choices=[StreamChoice(delta={'stop': '\n```\n'})]).json() + "\n\n"
         yield "data: [DONE]\n\n"