Update app.py

app.py

@@ -57,11 +57,10 @@ def warmup(model_list=warmup_test, model_inference_endpoints=inference_endpoint)
         headers["Authorization"] += HF_TOKEN
 
         def query(payload):
-            response = requests.post(API_URL, headers=headers, json=payload)
-            return response.json()
+            return requests.post(API_URL, headers=headers, json=payload)
         try:
-            _ = query({
-                "inputs": "Hello."
+            query({
+                "inputs": "Hello. "
             })
         except:
             if model == model_list[-1]: