error: pip3 install gitsome --upgrade

[gozmanlev]

at 2021-06-19
By 'pip3 install -r requirements.txt --upgrade'
also, it I install required version - I get errors:
Collecting fbs>=0.8.4
Using cached fbs-0.9.3.tar.gz (206 kB)
Using cached fbs-0.9.2.tar.gz (202 kB)
Using cached fbs-0.9.1.tar.gz (205 kB)
Using cached fbs-0.9.0.tar.gz (201 kB)
Using cached fbs-0.8.9.tar.gz (201 kB)
Using cached fbs-0.8.8.tar.gz (201 kB)
Using cached fbs-0.8.7.tar.gz (201 kB)
Using cached fbs-0.8.6.tar.gz (201 kB)
Using cached fbs-0.8.5.tar.gz (201 kB)
Collecting gitsome>=0.7.0
Using cached gitsome-0.8.3.tar.gz (609 kB)
ERROR: Command errored out with exit status 1:
command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-c3o4o9xu/gitsome_808f5b48b1d94a9ebe6089c16bb7fffa/setup.py'"'"'; file='"'"'/tmp/pip-install-c3o4o9xu/gitsome_808f5b48b1d94a9ebe6089c16bb7fffa/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(file) if os.path.exists(file) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, file, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-apwe41vb
cwd: /tmp/pip-install-c3o4o9xu/gitsome_808f5b48b1d94a9ebe6089c16bb7fffa/
Complete output (8 lines):
Traceback (most recent call last):
File "", line 1, in
File "/tmp/pip-install-c3o4o9xu/gitsome_808f5b48b1d94a9ebe6089c16bb7fffa/setup.py", line 139, in
main()
File "/tmp/pip-install-c3o4o9xu/gitsome_808f5b48b1d94a9ebe6089c16bb7fffa/setup.py", line 72, in main
with open("CHANGELOG.rst", "r") as file_obj:
FileNotFoundError: [Errno 2] No such file or directory: 'CHANGELOG.rst'

----------------------------------------

ubuntu 18.04 Python 3.6.9 (default, Jan 26 2021, 15:33:00)
[GCC 8.4.0] on linux