error installing qtpyvcp

[valeriob01]

    UPDATING build/lib.linux-x86_64-2.7/qtpyvcp/_version.py
    set build/lib.linux-x86_64-2.7/qtpyvcp/_version.py to 'v0.3.7'
    running install_lib
    copying build/lib.linux-x86_64-2.7/qtpyvcp/_version.py -> /usr/local/lib/python2.7/dist-packages/qtpyvcp
    byte-compiling /usr/local/lib/python2.7/dist-packages/qtpyvcp/_version.py to _version.pyc
    running install_data
    error: can't copy 'pyqt5designer/Qt5.7.1-64bit/libpyqt5_py2.so': doesn't exist or not a regular file
    
    ----------------------------------------
Command "/usr/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-dTcwyV/qtpyvcp/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-5E3SkL-record/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /tmp/pip-build-dTcwyV/qtpyvcp/