content: """Add step source code [4a3087070f4e].
  
  Revision ID: 4a3087070f4e
  Revises: d7b3acf9aa46
  Create Date: 2023-01-12 21:17:14.959401
  
  """
  
  import sqlalchemy as sa
  from alembic import op
  
  # revision identifiers, used by Alembic.
  revision = "4a3087070f4e"
  down_revision = "d7b3acf9aa46"
  branch_labels = None
  depends_on = None
  
  
  def upgrade() -> None:
      """Upgrade database schema and/or data, creating a new revision."""
      # ### commands auto generated by Alembic - please adjust! ###
      with op.batch_alter_table("step_run", schema=None) as batch_op:
          batch_op.add_column(sa.Column("source_code", sa.TEXT(), nullable=True))
  
      # ### end Alembic commands ###
  
  
  def downgrade() -> None:
      """Downgrade database schema and/or data back to the previous revision."""
      # ### commands auto generated by Alembic - please adjust! ###
      with op.batch_alter_table("step_run", schema=None) as batch_op:
          batch_op.drop_column("source_code")
  
      # ### end Alembic commands ###
  