new_contents: """added provider column to users table
  
  Revision ID: 40f5c56adfee
  Revises: 407f7f23156f
  Create Date: 2016-02-02 22:19:49.329707
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '40f5c56adfee'
  down_revision = '407f7f23156f'
  branch_labels = None
  depends_on = None
  
  from alembic import op
  import sqlalchemy as sa
  
  
  def upgrade():
      op.add_column('users', sa.Column('provider', sa.String(64), nullable=True))
  
  
  def downgrade():
      op.drop_column('users', 'provider')
  
subject: Add file missing from 948063a