[Bug report] Cant install release 2.6.2 longintrepr.h missing

[yedidyakfir]

I am trying to install the coco release of 2.6.2 however when i run the command python do.py run-python I get the following error

/----------------------------< EXCEPTION MESSAGE >----------------------------\			NOTE: Using precompiled C file to build interface.		C:\ProgramData\anaconda3\envs\egl\Lib\site-packages\setuptools_distutils\c		md.py:66: SetuptoolsDeprecationWarning: setup.py install is deprecated.		!!
***
*****
Please avoid running setup.py directly.
Instead, use pypa/build, pypa/installer or other
standards-based tools.
See https://blog.ganssle.io/articles/2021/10/setup-py-deprecated.ht
ml for details.
***
*****
!!
self.initialize_options()
C:\ProgramData\anaconda3\envs\egl\Lib\site-packages\setuptools_distutils\c
md.py:66: EasyInstallDeprecationWarning: easy_install command is deprecated
.
!!
***
*****
Please avoid running setup.py and easy_install.
Instead, use pypa/build, pypa/installer or other
standards-based tools.
See https://github.com/pypa/setuptools/issues/917 for details.
***
*****
!!
self.initialize_options()
coco.c
interface.c
cython/interface.c(198): fatal error C1083: Cannot open include file: 'long
intrepr.h': No such file or directory
error: command 'C:\Program Files (x86)\Microsoft Visual Studio\2019\Pro
fessional\VC\Tools\MSVC\14.29.30133\bin\HostX86\x64\cl.exe' failed
with exit code 2

-----------------------------------------------------------------------------/

Please note that the same version worked the last time I tried it (about a year ago)

• Operating system: Windows 10
• COCO version: 2.6.2
• Browser : chrome
• python: Conda python 3.11.7

[nikohansen]

The likely cause of the problem is Cython in Python 3.11. Using (downgrading to) Python 3.10 or lower should do the trick.

See https://medium.com/coinmonks/installing-brownie-with-the-new-python-3-11-version-89f67594b0be