text: """Add field timestamp to model Image
  
  Revision ID: be7f5b6b610a
  Revises: 4d7cdee9b1a4
  Create Date: 2020-12-12 20:16:44.923016
  
  """
  from alembic import op
  import sqlalchemy as sa
  
  
  # revision identifiers, used by Alembic.
  revision = "be7f5b6b610a"
  down_revision = "4d7cdee9b1a4"
  branch_labels = None
  depends_on = None
  
  
  def upgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.add_column("image", sa.Column("timestamp", sa.DateTime(), nullable=True))
      # ### end Alembic commands ###
  
  
  def downgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.drop_column("image", "timestamp")
      # ### end Alembic commands ###
  