'''
Add description to tags

Revision ID: 4c526f869323
Created at: 2016-06-21 17:56:34.979741
'''

import sqlalchemy as sa
from alembic import op

revision = '4c526f869323'
down_revision = '055d0e048fb3'
branch_labels = None
depends_on = None


def upgrade():
    op.add_column(
        'tag', sa.Column('description', sa.UnicodeText(), nullable=True))


def downgrade():
    op.drop_column('tag', 'description')
