hashtag_posts.py

# Load the hashtag
hashtag = instaloader.Hashtag.from_name(bot.context, 'python')

# Load posts with `python` tag into a generator object
python_posts = hashtag.get_posts()

# Iterate over posts to download them
for index, post in enumarate(python_posts, 1):
    bot.download_post(post, target=f'{hashtag.name}_{index}')