title: Python module PyQt5 installation problem on arm64 Ubuntu 18.04
body: <p>I have arm64 system and ubuntu 18.04 installed on it. I try to install python pyqt5 on
  it by pip command. Its shows</p>
  <p><em>AttributeError: module ‘sipbuild.api’ has no attribute ‘prepare_metadata_for_build_wheel’</em>
  error.
  I am using pyenv. I tried many others way, but did not worked</p>