(mpldev) PS C:\Users\sjung\MPLdev\matplotlib> pytest .\lib\matplotlib\tests\test_backend_svg.py::test_bold_font_output
======================================================================= test session starts =======================================================================
platform win32 -- Python 3.8.3, pytest-6.2.2, py-1.10.0, pluggy-0.13.1
rootdir: C:\Users\sjung\Documents\MyPrograms\Python-programs\Personal\MPLdev\matplotlib, configfile: pytest.ini
plugins: cov-2.11.1, rerunfailures-9.1.1, timeout-1.4.2
collected 1 item

lib\matplotlib\tests\test_backend_svg.py .                                                                                                                   [100%]

================================================================== 1 passed, 1 warning in 1.98s ===================================================================
Traceback (most recent call last):
  File "c:\users\sjung\miniconda3\lib\shutil.py", line 617, in _rmtree_unsafe
    os.rmdir(path)
PermissionError: [WinError 32] The process cannot access the file because it is being used by another process: 'C:\\Users\\sjung\\AppData\\Local\\Temp\\tmpbqz_ngbr'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "c:\users\sjung\miniconda3\lib\tempfile.py", line 803, in onerror
    _os.unlink(path)
PermissionError: [WinError 5] Access is denied: 'C:\\Users\\sjung\\AppData\\Local\\Temp\\tmpbqz_ngbr'


[Above Error Repeats like 500 times, then we get]


During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "c:\users\sjung\miniconda3\lib\weakref.py", line 642, in _exitfunc
    f()
  File "c:\users\sjung\miniconda3\lib\weakref.py", line 566, in __call__
    return info.func(*info.args, **(info.kwargs or {}))
  File "c:\users\sjung\miniconda3\lib\tempfile.py", line 818, in _cleanup
    cls._rmtree(name)
  File "c:\users\sjung\miniconda3\lib\tempfile.py", line 814, in _rmtree
    _shutil.rmtree(name, onerror=onerror)
  File "c:\users\sjung\miniconda3\lib\shutil.py", line 737, in rmtree
    return _rmtree_unsafe(path, onerror)
  File "c:\users\sjung\miniconda3\lib\shutil.py", line 619, in _rmtree_unsafe
    onerror(os.rmdir, path, sys.exc_info())
  File "c:\users\sjung\miniconda3\lib\tempfile.py", line 806, in onerror
    cls._rmtree(path)

[Repeated error]

 File "c:\users\sjung\miniconda3\lib\tempfile.py", line 814, in _rmtree
    _shutil.rmtree(name, onerror=onerror)
  File "c:\users\sjung\miniconda3\lib\shutil.py", line 737, in rmtree
    return _rmtree_unsafe(path, onerror)
  File "c:\users\sjung\miniconda3\lib\shutil.py", line 594, in _rmtree_unsafe
    entries = list(scandir_it)
RecursionError: maximum recursion depth exceeded while calling a Python object