=================================== FAILURES ===================================
_________________ TestLibHdfs.test_read_multiple_parquet_files _________________

self = <pyarrow.tests.test_hdfs.TestLibHdfs testMethod=test_read_multiple_parquet_files>

    @pytest.mark.pandas
    @pytest.mark.parquet
    def test_read_multiple_parquet_files(self):
    
        tmpdir = pjoin(self.tmp_path, 'multi-parquet-' + guid())
    
        self.hdfs.mkdir(tmpdir)
    
        expected = self._write_multiple_hdfs_pq_files(tmpdir)
>       result = self.hdfs.read_parquet(tmpdir)

opt/conda/envs/arrow/lib/python3.7/site-packages/pyarrow/tests/test_hdfs.py:318: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
opt/conda/envs/arrow/lib/python3.7/site-packages/pyarrow/filesystem.py:227: in read_parquet
    filesystem=self)
opt/conda/envs/arrow/lib/python3.7/site-packages/pyarrow/parquet/core.py:1759: in __new__
    thrift_container_size_limit=thrift_container_size_limit,
opt/conda/envs/arrow/lib/python3.7/site-packages/pyarrow/parquet/core.py:2402: in __init__
    filesystem, use_mmap=memory_map)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

filesystem = <pyarrow.hdfs.HadoopFileSystem object at 0x7ff3f8702d40>
use_mmap = False, allow_legacy_filesystem = False

    def _ensure_filesystem(
        filesystem, use_mmap=False, allow_legacy_filesystem=False
    ):
        if isinstance(filesystem, FileSystem):
            return filesystem
        elif isinstance(filesystem, str):
            if use_mmap:
                raise ValueError(
                    "Specifying to use memory mapping not supported for "
                    "filesystem specified as an URI string"
                )
            return _filesystem_from_str(filesystem)
    
        # handle fsspec-compatible filesystems
        try:
            import fsspec
        except ImportError:
            pass
        else:
            if isinstance(filesystem, fsspec.AbstractFileSystem):
                if type(filesystem).__name__ == 'LocalFileSystem':
                    # In case its a simple LocalFileSystem, use native arrow one
                    return LocalFileSystem(use_mmap=use_mmap)
                return PyFileSystem(FSSpecHandler(filesystem))
    
        # map old filesystems to new ones
        import pyarrow.filesystem as legacyfs
    
        if isinstance(filesystem, legacyfs.LocalFileSystem):
            return LocalFileSystem(use_mmap=use_mmap)
        # TODO handle HDFS?
        if allow_legacy_filesystem and isinstance(filesystem, legacyfs.FileSystem):
            return filesystem
    
        raise TypeError(
            "Unrecognized filesystem: {}. `filesystem` argument must be a "
            "FileSystem instance or a valid file system URI'".format(
>               type(filesystem))
        )
E       TypeError: Unrecognized filesystem: <class 'pyarrow.hdfs.HadoopFileSystem'>. `filesystem` argument must be a FileSystem instance or a valid file system URI'