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BUG: running pytest fails on master

See original GitHub issue

Pandas version checks

I have checked that this issue has not already been reported.
I have confirmed this bug exists on the latest version of pandas.
I have confirmed this bug exists on the master branch of pandas.

Reproducible Example

pytest pandas

Issue Description

Running the pytest command fails with an import error

ImportError while loading conftest '/workspaces/pandas/pandas/conftest.py'.
pandas/conftest.py:537: in <module>
    "mi-with-dt64tz-level": _create_mi_with_dt64tz_level(),
pandas/conftest.py:505: in _create_mi_with_dt64tz_level
    return MultiIndex.from_product(
pandas/core/indexes/multi.py:619: in from_product
    codes, levels = factorize_from_iterables(iterables)
pandas/core/arrays/categorical.py:2862: in factorize_from_iterables
    codes, categories = zip(*(factorize_from_iterable(it) for it in iterables))
pandas/core/arrays/categorical.py:2862: in <genexpr>
    codes, categories = zip(*(factorize_from_iterable(it) for it in iterables))
pandas/core/arrays/categorical.py:2835: in factorize_from_iterable
    cat = Categorical(values, ordered=False)
pandas/core/arrays/categorical.py:440: in __init__
    codes, categories = factorize(values, sort=False)
pandas/core/algorithms.py:746: in factorize
    codes, uniques = values.factorize(sort=sort)
pandas/core/arrays/datetimelike.py:1830: in factorize
    uniques = self.copy()  # TODO: copy or view?
pandas/core/arrays/datetimelike.py:512: in copy
    new_obj = super().copy(order=order)  # type: ignore[call-arg]
E   TypeError: copy() takes no keyword arguments

I’m running on pandas’ VSCode dev container.

Expected Behavior

Should not fail, but run the tests instead.

Installed Versions

INSTALLED VERSIONS ------------------ commit : c323494e7313b9ac105e59d0748cd3ac53adf89d python : 3.8.12.final.0 python-bits : 64 OS : Linux OS-release : 5.10.76-linuxkit Version : #1 SMP Mon Nov 8 10:21:19 UTC 2021 machine : x86_64 processor : x86_64 byteorder : little LC_ALL : C.UTF-8 LANG : C.UTF-8 LOCALE : en_US.UTF-8

pandas : 1.4.0.dev0+1469.gc323494e73 numpy : 1.21.4 pytz : 2021.3 dateutil : 2.8.2 pip : 21.3.1 setuptools : 59.6.0 Cython : 0.29.26 pytest : 6.2.5 hypothesis : 6.31.6 sphinx : 4.3.2 blosc : None feather : None xlsxwriter : 3.0.2 lxml.etree : 4.7.1 html5lib : 1.1 pymysql : None psycopg2 : None jinja2 : 3.0.3 IPython : 7.30.1 pandas_datareader: None bs4 : 4.10.0 bottleneck : 1.3.2 fsspec : 2021.11.0 fastparquet : 0.7.2 gcsfs : 2021.11.0 matplotlib : 3.5.1 numexpr : 2.8.0 odfpy : None openpyxl : 3.0.9 pandas_gbq : None pyarrow : 6.0.1 pyxlsb : None s3fs : 2021.11.0 scipy : 1.7.3 sqlalchemy : 1.4.28 tables : 3.6.1 tabulate : 0.8.9 xarray : 0.18.2 xlrd : 2.0.1 xlwt : 1.3.0 numba : 0.53.1 zstandard : None