python - Problem installing any package with pip: Cannot unpack file /tmp/pip-KzJgHD-unpack/simple

Cannot unpack file /tmp/pip-KzJgHD-unpack/simple (downloaded from /tmp/pip-M1hKq2-build, content-type: text/html; charset=utf-8); cannot detect archive format
Cannot determine archive format of /tmp/pip-M1hKq2-build