text: """empty message
  
  Revision ID: 8b0cb19f8e0d
  Revises: 1516b659add3
  Create Date: 2019-08-21 10:45:46.153823
  
  """
  from alembic import op
  import sqlalchemy as sa
  
  
  # revision identifiers, used by Alembic.
  revision = '8b0cb19f8e0d'
  down_revision = '1516b659add3'
  branch_labels = None
  depends_on = None
  
  
  def upgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.add_column('study', sa.Column('coordinator_email', sa.String(), nullable=True))
      # ### end Alembic commands ###
  
  
  def downgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.drop_column('study', 'coordinator_email')
      # ### end Alembic commands ###
  