text: """Migration
  
  Revision ID: a306d9c4421a
  Revises: 4b7aa7ab2934
  Create Date: 2021-08-26 17:00:55.585218
  
  """
  
  # revision identifiers, used by Alembic.
  revision = 'a306d9c4421a'
  down_revision = '4b7aa7ab2934'
  
  from alembic import op
  import sqlalchemy as sa
  
  
  def upgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.add_column('sessions', sa.Column('dat', sa.DateTime(timezone=255), nullable=True))
      op.drop_column('sessions', 'date')
      # ### end Alembic commands ###
  
  
  def downgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.add_column('sessions', sa.Column('date', sa.VARCHAR(length=255), autoincrement=False, nullable=True))
      op.drop_column('sessions', 'dat')
      # ### end Alembic commands ###
  