# Removing unique constraint on 'Tag', fields ['slug']
db.delete_unique('catalogue_tag', ['slug'])
# Adding unique constraint on 'Tag', fields ['category', 'slug']
db.create_unique('catalogue_tag', ['category', 'slug'])
# Removing unique constraint on 'Tag', fields ['slug']
db.delete_unique('catalogue_tag', ['slug'])
# Adding unique constraint on 'Tag', fields ['category', 'slug']
db.create_unique('catalogue_tag', ['category', 'slug'])