Update app.py

app.py

@@ -150,7 +150,7 @@ def gradio_interface(prompt, resolution_key, user_chat_id):
 '''
 def gradio_interface(prompt, resolution_key, user_chat_id):
     if not user_chat_id.strip():
-        return None, "User Chat ID cannot be blank. Please provide a valid User Chat ID."
+        return None, "User Chat ID cannot be blank. Please provide a valid User Chat ID or register with @supportBot to get UID."
 
     result = generate_image(prompt, resolution_key)
     if result and result[0]:
@@ -187,6 +187,10 @@ def handle_generate_image(prompt, resolution_key, user_chat_id):
     return None, "Insufficient points. Please get more points before generating an image."
 
 def request_otp_and_update_ui(user_chat_id):
+    # Validate user_chat_id
+    if not user_chat_id.strip():
+        return "User Chat ID cannot be blank. Please provide a valid User Chat ID or register with @supportBot to get UID."
+
     otp_response = request_otp(user_chat_id)
     if otp_response.get("success"):
         return "OTP has been sent to your registered contact."