code: def drop_db():
      
      local_machine()
      with fab_settings(warn_only=True):
          local('psql {0} -c "DROP DATABASE {1}"'.format(
              USER_AND_HOST, env.db_name))
          local('psql {0} -c "DROP USER {1}"'.format(
              USER_AND_HOST, env.db_role))
docs: Drops the local database.