Update app.py

app.py

@@ -134,8 +134,8 @@ async def proxy_to_node(
         f"Total setup time before streaming: {time.time() - start_time:.4f} seconds"
     )
 
-    req = App.client.build_request("GET", httpx.URL(url), headers=headers)
-    r = await App.client.send(req, stream=True)
+    req = client.build_request("GET", httpx.URL(url), headers=headers)
+    r = await client.send(req, stream=True)
     print(f"Time to prepare request: {time.time() - start_time:.4f} seconds")
 
     return StreamingResponse(r.aiter_raw(), headers=r.headers)
@@ -145,7 +145,7 @@ async def proxy_to_node(
     "/{path:path}", methods=["GET", "POST", "PUT", "DELETE", "PATCH", "OPTIONS"]
 )
 async def catch_all(request: Request, path: str):
-    return await App.proxy_to_node(
+    return await proxy_to_node(
         request,
         request.client.host,
         4321,