___________________ ERROR at setup of test_read_text_unicode ___________________

request = <SubRequest 'hdfs' for <Function test_read_text_unicode>>

    @pytest.fixture
    def hdfs(request):
>       _maybe_set_hadoop_classpath()
E       NameError: name '_maybe_set_hadoop_classpath' is not defined

dask/bytes/tests/test_hdfs.py:39: NameError