Update app.py

app.py

@@ -4,12 +4,10 @@ from huggingface_hub import InferenceClient
 import requests
 
 url = "https://huggingface.co/models-json?num_parameters=min%3A128B&inference_provider=cerebras%2Cnebius%2Cfireworks-ai%2Ctogether%2Csambanova%2Cnovita%2Cgroq%2Cnscale%2Chyperbolic%2Cfeatherless-ai%2Cfal-ai%2Ccohere%2Creplicate%2Chf-inference&sort=trending&withCount=true"
-
 res = requests.get(url).json()
 model_ids = [m['id'] for m in res.get('models', [])]
 
 client = InferenceClient(provider="novita", api_key=os.environ["HF_TOKEN"])
-#models = ["deepseek-ai/DeepSeek-V3.1","zai-org/GLM-4.5","Qwen/Qwen3-Coder-480B-A35B-Instruct", "Qwen/Qwen3-Coder-480B-A35B-Instruct-FP8","deepseek-ai/DeepSeek-R1","deepseek-ai/DeepSeek-R1-0528","Qwen/Qwen3-Next-80B-A3B-Thinking"]
 
 def respond(message, history, model):
     history.append((message, ""))
@@ -20,8 +18,9 @@ def respond(message, history, model):
         messages=[{"role": "user", "content": message}],
         stream=True
     ):
-        if hasattr(chunk.choices[0].delta, 'content') and chunk.choices[0].delta.content:
-            full_reply += chunk.choices[0].delta.content
+        content = chunk.choices[0].delta.content
+        if content:
+            full_reply += content
             history[-1] = (message, full_reply)
             yield "", history
 
@@ -29,7 +28,7 @@ with gr.Blocks() as demo:
     gr.Markdown("## AI")
     chatbot = gr.Chatbot(height=400)
     msg = gr.Textbox(label="Ask me smth")
-    model_dd = gr.Dropdown(model_ids, label="Model", value=models[0])
+    model_dd = gr.Dropdown(model_ids, label="Model", value=model_ids[0] if model_ids else "")
     with gr.Row():
         submit_btn = gr.Button("Send")
         clear = gr.Button("Clear")