pytest error INTERNALERROR> AttributeError: can't set attribute`

[ke-liang]

OS：macOS Catalina Version 10.15.3
Python：3.8.2

I upgrade pytest from 5.3.2 to 5.4.1(5.4.0 has the same issue)
and then
run pytest

INTERNALERROR> Traceback (most recent call last): INTERNALERROR> File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/_pytest/main.py", line 187, in wrap_session INTERNALERROR> config._do_configure() INTERNALERROR> File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/_pytest/config/__init__.py", line 820, in _do_configure INTERNALERROR> self.hook.pytest_configure.call_historic(kwargs=dict(config=self)) INTERNALERROR> File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/pluggy/hooks.py", line 308, in call_historic INTERNALERROR> res = self._hookexec(self, self.get_hookimpls(), kwargs) INTERNALERROR> File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/pluggy/manager.py", line 93, in _hookexec INTERNALERROR> return self._inner_hookexec(hook, methods, kwargs) INTERNALERROR> File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/pluggy/manager.py", line 84, in <lambda> INTERNALERROR> self._inner_hookexec = lambda hook, methods, kwargs: hook.multicall( INTERNALERROR> File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/pluggy/callers.py", line 208, in _multicall INTERNALERROR> return outcome.get_result() INTERNALERROR> File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/pluggy/callers.py", line 80, in get_result INTERNALERROR> raise ex[1].with_traceback(ex[2]) INTERNALERROR> File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/pluggy/callers.py", line 187, in _multicall INTERNALERROR> res = hook_impl.function(*args) INTERNALERROR> File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/pytest_sugar.py", line 176, in pytest_configure INTERNALERROR> sugar_reporter = SugarTerminalReporter(standard_reporter) INTERNALERROR> File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/pytest_sugar.py", line 214, in __init__ INTERNALERROR> self.writer = self._tw INTERNALERROR> AttributeError: can't set attribute

So could you please help check this issue?

pip3 list
aiohttp 3.6.2
apipkg 1.5
astroid 2.3.3
async-timeout 3.0.1
asyncio 3.4.3
attrs 19.3.0
beautifulsoup4 4.8.2
bs4 0.0.1
certifi 2019.11.28
chardet 3.0.4
execnet 1.7.1
gevent 1.4.0
greenlet 0.4.15
idna 2.9
importlib-metadata 1.5.2
isort 4.3.21
jsonschema 3.2.0
lazy-object-proxy 1.4.3
logger 1.4
mccabe 0.6.1
more-itertools 8.2.0
multidict 4.7.5
packaging 20.3
parameterized 0.7.1
Pillow 7.0.0
pip 20.0.2
pluggy 0.13.1
py 1.8.1
pycryptodome 3.9.7
pylint 2.4.4
PyMySQL 0.9.3
pyparsing 2.4.6
pyrsistent 0.16.0
pytest 5.3.5
pytest-asyncio 0.10.0
pytest-forked 1.1.3
pytest-html 2.1.1
pytest-instafail 0.4.1.post0
pytest-metadata 1.8.0
pytest-rerunfailures 9.0
pytest-sugar 0.9.2
pytest-xdist 1.31.0
requests 2.23.0
selenium 3.141.0
setuptools 46.1.3
six 1.14.0
soupsieve 2.0
SQLAlchemy 1.3.15
tblib 1.6.0
termcolor 1.1.0
urllib3 1.25.8
wcwidth 0.1.9
wrapt 1.12.1
xmltodict 0.12.0
yarl 1.4.2
zipp 3.1.0

Now I use pytest 5.3.5, it look good!

[bluetech]

This is a duplicate of issue #6951, please see the discussion there.