def METHOD_NAME():
	"""
	Regenerate Active Theme CSS file after migration.
	Necessary to reflect possible changes in the imported SCSS files. Called at
	the end of every `bench migrate`.
	"""
	website_theme = frappe.db.get_single_value("Website Settings", "website_theme")
	if not website_theme or website_theme == "Standard":
		return
	doc = frappe.get_doc("Website Theme", website_theme)
	doc.save()  # Just re-saving re-generates the theme.