bug#46132: [bug] build of /gnu/store/~-python2-setuptools-52.0.0.drv failed

[K I]

starting phase `patch-source-shebangs'
patch-shebang: ./docs/conf.py: warning: no binary for interpreter `python3' 
found in $PATH
patch-shebang: ./pkg_resources/_vendor/appdirs.py: changing `/usr/bin/env 
python' to 
`/gnu/store/ln0jd0k32xbr2jyha1sdaynllkazgmsi-python2-2.7.17/bin/python'
patch-shebang: ./setup.py: changing `/usr/bin/env python' to 
`/gnu/store/ln0jd0k32xbr2jyha1sdaynllkazgmsi-python2-2.7.17/bin/python'
phase `patch-source-shebangs' succeeded after 0.0 seconds
starting phase `patch-generated-file-shebangs'
phase `patch-generated-file-shebangs' succeeded after 0.0 seconds
starting phase `build'
running "python setup.py" with command "build" and parameters ()
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "setuptools/__init__.py", line 16, in <module>
    import setuptools.version
  File "setuptools/version.py", line 1, in <module>
    import pkg_resources
  File "pkg_resources/__init__.py", line 1367
    raise SyntaxError(e) from e
                            ^
SyntaxError: invalid syntax
command "python" "-c" "import setuptools, 
tokenize;__file__='setup.py';f=getattr(tokenize, 'open', 
open)(__file__);code=f.read().replace('\\r\\n', 
'\\n');f.close();exec(compile(code, __file__, 'exec'))" "build" failed with 
status 1