failed to install xrprimer

[ccctw-ma]

msc@msc:~$ pip install xrprimer
Defaulting to user installation because normal site-packages is not writeable
Collecting xrprimer
Using cached xrprimer-0.6.1.tar.gz (68 kB)
Preparing metadata (setup.py) ... error
error: subprocess-exited-with-error

× python setup.py egg_info did not run successfully.
│ exit code: 1
╰─> [8 lines of output]
Traceback (most recent call last):
File "", line 2, in
File "", line 34, in
File "/tmp/pip-install-z5n7yp67/xrprimer_96f8ae0f019e4a3db637e1bdcfd591c5/setup.py", line 57, in
VERSION, VERSION_INFO = parse_version_from_file('version.txt')
File "/tmp/pip-install-z5n7yp67/xrprimer_96f8ae0f019e4a3db637e1bdcfd591c5/setup.py", line 44, in parse_version_from_file
with open(filepath) as f:
FileNotFoundError: [Errno 2] No such file or directory: 'version.txt'
[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.
hint: See above for details.