anchor.diff:  buildPythonPackage rec {
     pname = "scrapy";
     version = "2.6.1";
  +  format = "setuptools";
  +
     disabled = pythonOlder "3.6";
   
     src = fetchPypi {
  
positive.code:     "test_custom_loop_asyncio_deferred_signal"
      "FileFeedStoragePreFeedOptionsTest"  # https://github.com/scrapy/scrapy/issues/5157
      "test_timeout_download_from_spider_nodata_rcvd"
      # Fails with AssertionError
      "test_peek_fifo"
      "test_peek_one_element"
  
negative.code:     "test_nested_xpath"
      "test_flavor_detection"
      # Requires network access
      "AnonymousFTPTestCase"
      "FTPFeedStorageTest"
      "FeedExportTest"
      "test_custom_asyncio_loop_enabled_true"
  