From: Vincent Bernat Date: Thu, 13 Dec 2018 12:08:44 +0100 Subject: Compatibility with pip 18.1 pip has been refactored and `main()` is now hidden inside `_internal` module. We handle this case while keeping compatibility with older versions. Forwarded: not-needed --- virtualenv.py | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/virtualenv.py b/virtualenv.py index 61fe544..bfd1836 100755 --- a/virtualenv.py +++ b/virtualenv.py @@ -880,6 +880,10 @@ def install_wheel(project_names, py_executable, search_dirs=None, import os import pip + try: + from pip._internal import main as _main + except ImportError: + from pip import main as _main #cert_data = pkgutil.get_data("pip._vendor.requests", "cacert.pem") cert_data = None @@ -896,7 +900,7 @@ def install_wheel(project_names, py_executable, search_dirs=None, args += ["--cert", cert_file.name] args += sys.argv[1:] - sys.exit(pip.main(args)) + sys.exit(_main(args)) finally: if cert_file is not None: os.remove(cert_file.name)