update examples

app.py

@@ -47,6 +47,7 @@ def accelerate_train_lora(steps, images):
     # path can be retrieved by file_obj.name and original filename can be retrieved with file_obj.orig_name
     for file in images:
         print(f"file passed -- {file.name}")
+        os.makedirs(INSTANCE_DIR, exist_ok=True)
         shutil.copy( file.name, INSTANCE_DIR) #/{file.orig_name}
     #subprocess.Popen(f'accelerate launch {"./train_lora_dreambooth.py"} \
     os.system( f'accelerate launch {"./train_lora_dreambooth.py"} \