installation issues on windows

[goldexplorer555]

below error appears on installation of 0.5 verison on windows. Prima facie appears to be due to fcntrl not being available on windows. :

error: subprocess-exited-with-error

× python setup.py egg_info did not run successfully.
│ exit code: 1
╰─> [40 lines of output]
Traceback (most recent call last):
File "", line 2, in
File "", line 34, in
File "C:\Users\a\AppData\Local\Temp\pip-install-8i5l69vr\autograd-gamma_c3be557fa5b6478cb8af39b4e5aaafc0\setup.py", line 8, in
setuptools.setup(
File "c:\Users\a\AppData\Local\Programs\Python\Python311\Lib\site-packages\setuptools_init_.py", line 87, in setup
return distutils.core.setup(**attrs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "c:\Users\a\AppData\Local\Programs\Python\Python311\Lib\site-packages\setuptools_distutils\core.py", line 147, in setup
setup_distribution = dist = klass(attrs)
^^^^^^^^^^^^
File "c:\Users\a\AppData\Local\Programs\Python\Python311\Lib\site-packages\setuptools\dist.py", line 476, in init
Distribution.init(
File "c:\Users\a\AppData\Local\Programs\Python\Python311\Lib\site-packages\setuptools_distutils\dist.py", line 282, in init
self.finalize_options()
File "c:\Users\a\AppData\Local\Programs\Python\Python311\Lib\site-packages\setuptools\dist.py", line 899, in finalize_options
for ep in sorted(loaded, key=by_order):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "c:\Users\a\AppData\Local\Programs\Python\Python311\Lib\site-packages\setuptools\dist.py", line 898, in
loaded = map(lambda e: e.load(), filtered)
^^^^^^^^
File "c:\Users\a\AppData\Local\Programs\Python\Python311\Lib\importlib\metadata_init.py", line 202, in load
module = import_module(match.group('module'))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "c:\Users\a\AppData\Local\Programs\Python\Python311\Lib\importlib_init.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "", line 1204, in _gcd_import
File "", line 1176, in _find_and_load
File "", line 1147, in _find_and_load_unlocked
File "", line 690, in _load_unlocked
File "", line 940, in exec_module
File "", line 241, in _call_with_frames_removed
File "c:\Users\a\AppData\Local\Programs\Python\Python311\Lib\site-packages\py2app\build_app.py", line 37, in
from py2app.create_appbundle import create_appbundle
File "c:\Users\a\AppData\Local\Programs\Python\Python311\Lib\site-packages\py2app\create_appbundle.py", line 9, in
from py2app.util import make_exec, makedirs, mergecopy, mergetree, skipscm
File "c:\Users\a\AppData\Local\Programs\Python\Python311\Lib\site-packages\py2app\util.py", line 5, in
import fcntl
ModuleNotFoundError: No module named 'fcntl'
[end of output]

note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed

× Encountered error while generating package metadata.
╰─> See above for output.

note: This is an issue with the package mentioned above, not pip.