code: def drop(verbose):
      
      click.secho('Dropping all tables!', fg='red', bold=True)
      with click.progressbar(reversed(_db.metadata.sorted_tables)) as bar:
          for table in bar:
              if verbose:
                  click.echo(' Dropping table {0}'.format(table))
              table.drop(bind=_db.engine, checkfirst=True)
          drop_alembic_version_table()
      click.secho('Dropped all tables!', fg='green')
docs: Drop tables.