Update app.py

app.py

@@ -127,7 +127,7 @@ async def proxy_openai_api(request: Request):
                 
                 async for chunk in stream_response.aiter_bytes():
                     if chunk.strip():
-                        yield chunk.strip() + '\n'
+                        yield chunk.strip() + b'\n'
 
         except RequestError as exc:
             raise HTTPException(status_code=500, detail=f'произошла ошибка при запросе: {exc}')
@@ -145,10 +145,10 @@ async def proxy_openai_api(request: Request):
                     
                     async def combined_generator():
                         if first_chunk.strip():
-                            yield first_chunk.strip() + '\n'
+                            yield first_chunk.strip() + b'\n'
                         async for chunk in response_generator:
                             if chunk.strip():
-                                yield chunk.strip() + '\n'
+                                yield chunk.strip() + b'\n'
 
                     return OverrideStreamResponse(combined_generator(), headers=headers_to_forward)
             except StopAsyncIteration: