Исправления предыдущего набора изменений.

vk/handlers/private.py

@@ -48,10 +48,6 @@ async def any_message_handler(message: Message):
     bot_id = get_bot_id(message.ctx_api)
     chat_id = message.peer_id
 
-    if len(message.text) == 0:
-        await message.answer(MESSAGE_UNSUPPORTED_CONTENT_TYPE)
-        return
-
     try:
         ai_message = await create_ai_message(message)
     except utils.UnsupportedContentType:

vk/utils.py

@@ -52,7 +52,7 @@ async def create_ai_message(message: Message) -> ai_agent.Message:
     ai_message = ai_agent.Message()
     ai_message.message_id = message.conversation_message_id
     ai_message.user_name = await get_user_name_for_ai(message.ctx_api, message.from_id)
-    if message.text is not None:
+    if len(message.text) > 0:
         ai_message.text = message.text
     for attachment in message.attachments:
         if attachment.type == MessagesMessageAttachmentType.PHOTO: