text: """
  Add document web_uri column
  
  Revision ID: 3e1727613916
  Revises: a001b7b4c78e
  Create Date: 2016-09-12 13:21:56.739838
  """
  
  from __future__ import unicode_literals
  
  from alembic import op
  import sqlalchemy as sa
  
  
  revision = "3e1727613916"
  down_revision = "a001b7b4c78e"
  
  
  def upgrade():
      op.add_column("document", sa.Column("web_uri", sa.UnicodeText()))
  
  
  def downgrade():
      op.drop_column("document", "web_uri")
  