"""empty message

Revision ID: 6c6fb2b7f229
Revises: a67119aa3ee5
Create Date: 2019-09-28 13:38:09.550747

"""

# revision identifiers, used by Alembic.
revision = "6c6fb2b7f229"
down_revision = "a67119aa3ee5"

from alembic import op
import sqlalchemy as sa


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.add_column("bill", sa.Column("external_link", sa.UnicodeText(), nullable=True))
    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_column("bill", "external_link")
    # ### end Alembic commands ###
