Update app.py

app.py

@@ -39,8 +39,10 @@ async def generate_image_async(prompt, aspect_ratio):
                 if "error" in response_data:
                     if 'error 429' in response_data['error']:
                         if glif_tokens_tried<no_of_accounts:
-                            global glif_token_id = (glif_token_id+1)%no_of_accounts
-                            global GLIF_API_TOKEN = os.getenv(f"GLIF_API_TOKEN{glif_token_id}")
+                            global glif_token_id
+                            glif_token_id = (glif_token_id+1)%no_of_accounts
+                            global GLIF_API_TOKEN
+                            GLIF_API_TOKEN = os.getenv(f"GLIF_API_TOKEN{glif_token_id}")
                             response_data = await generate_image_async(prompt, aspect_ratio)
                             glif_tokens_tried = 0
                         response_data = "No credits available"