cannot install on arch linux

[EdLovecraft]

======================================= test session starts ========================================
platform linux -- Python 3.8.0, pytest-5.2.4, py-1.8.0, pluggy-0.13.1
rootdir: /home/orwennes/.cache/yay/virshpatcher/src/virsh-patcher-1.0.0a1
collected 8 items                                                                                  

tests/test_error43.py ....                                                                   [ 50%]
tests/test_hostpassthrough.py .F                                                             [ 75%]
tests/test_hugepages.py ..                                                                   [100%]

============================================= FAILURES =============================================
____________________________________________ test_noop _____________________________________________

patcher = <virshpatcher.patcher.PatchHostPassthrough object at 0x7fbd7535d610>
patched_tree = <xml.etree.ElementTree.ElementTree object at 0x7fbd7535dcd0>, args = Namespace()

    def test_noop(patcher, patched_tree, args):
>       assert_noop(patcher, patched_tree, args)

tests/test_hostpassthrough.py:24: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

patcher = <virshpatcher.patcher.PatchHostPassthrough object at 0x7fbd7535d610>
tree = <xml.etree.ElementTree.ElementTree object at 0x7fbd7535dcd0>, args = Namespace()

    def assert_noop(patcher, tree, args):
        original = ET.tostring(tree.getroot())
    
        patcher.patch(tree, args)
    
        patched = ET.tostring(tree.getroot())
    
>       assert patched == original
E       AssertionError: assert b'<domain typ...ing></domain>' == b'<domain typ...ing></domain>'
E         At index 669 diff: b'm' != b'c'
E         Use -v to get the full diff

tests/conftest.py:52: AssertionError
=================================== 1 failed, 7 passed in 0.06s ====================================

[Silur]

same issue on x64 arch.
As a temporary workaround I commented the line python setup.py pytest out from check() in the PKGBUILD

[thejacer87]

got the same error, the fix in #6 (comment) worked for me