Update app.py

app.py

@@ -56,8 +56,10 @@ fig
 
 
 async def callback(content: str, user: str, instance: pn.chat.ChatInterface):
-    api_key = "eONhYm3inwx5qRfSiuSw9ryj45kyZblJ"
-    client = MistralAsyncClient(api_key=api_key)
+    if not api_key_input.value:
+        yield "Please first enter your Mistral API key"
+        return
+    client = MistralAsyncClient(api_key=api_key_input.value)
 
     # system
     messages = [SYSTEM_MESSAGE]