new_contents: from __future__ import absolute_import
  
  # import pytest
  
  import schematec.schema
  # import schematec.converters as converters
  # import schematec.validators as validators
  # import schematec.exc as exc
  
  
  def test_empty_schema_with_empty_value():
      schema = schematec.schema.Schema()
      assert schema({}) == {}
  
subject: add basic test for schema