fix

app.py

@@ -1,5 +1,6 @@
-import os
+import gradio as gr
 from huggingface_hub import InferenceClient
+import os
 
 HF_API_KEY = os.getenv("HF_API_KEY")  # Retrieve API key from environment variable
 
@@ -7,7 +8,6 @@ models = ["HuggingFaceH4/zephyr-7b-beta", "microsoft/Phi-4-mini-instruct"]
 client = InferenceClient(model=models[1], token=HF_API_KEY)  # Pass API key to client
 
 
-
 def respond(
     message,
     history: list[tuple[str, str]],
@@ -16,7 +16,7 @@ def respond(
     temperature,
     top_p,
 ):
-         = [{"role": "system", "content": system_message}]
+    messages = [{"role": "system", "content": system_message}]
 
     for val in history:
         if val[0]:
@@ -60,5 +60,6 @@ demo = gr.ChatInterface(
     ],
 )
 
+
 if __name__ == "__main__":
     demo.launch()