Issue in installation command #23
Description
I follow the docs and use the command "pip install -r requirements.txt", it gives the error:-
ERROR: Command errored out with exit status 1:
command: /usr/bin/python -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-5JycN5/cvxopt/setup.py'"'"'; file='"'"'/tmp/pip-install-5JycN5/cvxopt/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(file);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, file, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-6fFlfg
cwd: /tmp/pip-install-5JycN5/cvxopt/
Complete output (8 lines):
Traceback (most recent call last):
File "", line 1, in
File "/tmp/pip-install-5JycN5/cvxopt/setup.py", line 4, in
import versioneer
File "versioneer.py", line 369
LONG_VERSION_PY: Dict[str, str] = {}
^
SyntaxError: invalid syntax
----------------------------------------
ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.