old_contents: """Set defaults in meta table
  
  Revision ID: 7dd42bf4925b
  Revises: 96bafa638b4d
  Create Date: 2019-11-26 16:49:42.862276
  
  """
  from alembic import op
  import sqlalchemy as sa
  
  
  # revision identifiers, used by Alembic.
  revision = '7dd42bf4925b'
  down_revision = '96bafa638b4d'
  branch_labels = None
  depends_on = None
  
  
  def upgrade():
      op.alter_column(
          "_edit_base", "_autocheck", existing_type=sa.Boolean,
          servar_default=sa.text("false")
      )
      op.alter_column(
          "_edit_base", "_humancheck", existing_type=sa.Boolean,
          servar_default=sa.text("false")
      )
      op.alter_column(
          "_edit_base", "_applied", existing_type=sa.Boolean,
          servar_default=sa.text("false")
      )
  
  
  def downgrade():
      op.alter_column(
          "_edit_base", "_autocheck", existing_type=sa.Boolean,
          servar_default=None
      )
      op.alter_column(
          "_edit_base", "_humancheck", existing_type=sa.Boolean,
          servar_default=None
      )
      op.alter_column(
          "_edit_base", "_applied", existing_type=sa.Boolean,
          servar_default=None
      )
  
new_contents: """Set defaults in meta table
  
  Revision ID: 7dd42bf4925b
  Revises: 96bafa638b4d
  Create Date: 2019-11-26 16:49:42.862276
  
  """
  from alembic import op
  import sqlalchemy as sa
  
  
  # revision identifiers, used by Alembic.
  revision = '7dd42bf4925b'
  down_revision = '96bafa638b4d'
  branch_labels = None
  depends_on = None
  
  
  def upgrade():
      op.alter_column(
          "_edit_base", "_autocheck", existing_type=sa.Boolean,
          servar_default=sa.text("false")
      )
      op.alter_column(
          "_edit_base", "_humancheck", existing_type=sa.Boolean,
          server_default=sa.text("false")
      )
      op.alter_column(
          "_edit_base", "_applied", existing_type=sa.Boolean,
          server_default=sa.text("false")
      )
  
  
  def downgrade():
      op.alter_column(
          "_edit_base", "_autocheck", existing_type=sa.Boolean,
          server_default=None
      )
      op.alter_column(
          "_edit_base", "_humancheck", existing_type=sa.Boolean,
          server_default=None
      )
      op.alter_column(
          "_edit_base", "_applied", existing_type=sa.Boolean,
          server_default=None
      )
  
subject: Fix typo