Update app.py

app.py

@@ -37,7 +37,7 @@ async def hello_command(interaction):
 async def generate_command(
     interaction: discord.Interaction,
     prompt: str,
-    images: list[discord.Attachment] = None,
+    images: List[discord.Attachment] = None,
 ):
     try:
         await interaction.response.defer()  # Defer the interaction