filesystem_spec: AttributeError: 'HadoopFileSystem' object has no attribute 'close'

When running the following code:

import fsspec
f = fsspec.open('hdfs:///path/to/file.csv').open()
...

I get the following error when the script exits (but complete successfully):

AttributeError: 'HadoopFileSystem' object has no attribute 'close'
Exception ignored in: 'pyarrow.lib.HadoopFileSystem.__dealloc__'
AttributeError: 'HadoopFileSystem' object has no attribute 'close'

I’m also getting the error when running:

import fsspec
f = fsspec.open('hdfs:///path/to/file.csv').open()
...
f.close()

The versions in my environment are:

python: 3.7.8
fsspec: 0.8.0
pyarrow: 1.0.1