Update app.py

app.py

@@ -69,6 +69,15 @@ def main(image_path, b_lora_trained_folder, instance_prompt):
 
     if not is_gpu_associated:
         raise gr.Error("Please associate a T4 or A10G GPU for this Space")
+
+    if image_path == None:
+        raise gr.Error("You forgot to specify an image reference")
+
+    if b_lora_trained_folder == "":
+        raise gr.Error("You forgot to specify a name for you model")
+
+    if instance_prompt == "":
+        raise gr.Error("You forgot to specify an instance prompt")
     
     local_dir = "image_to_train"
     # Check if the directory exists and create it if necessary