chore: try default key

app.py

@@ -9,6 +9,7 @@ from dataclasses import dataclass, field
 from threading import Lock
 import base64
 import uuid
+import os
 
 
 @dataclass
@@ -162,10 +163,8 @@ def response(state: AppState):
 
 
 def set_api_key(api_key, state):
-    if not api_key:
-        raise gr.Error("Please enter a valid API key.")
     try:
-        state.client = create_client(api_key)
+        state.client = create_client(os.getenv("API_KEY"))
         return gr.update(value="API key set successfully!", visible=True), state
     except Exception as e:
         return gr.update(value="Connection error", visible=True), state