C:\\Users\\danie01\\fox\\test\\robotframework>pipenv install --python 3.5
Creating a virtualenv for this project...
Pipfile: C:\\Users\\danie01\\fox\\test\\robotframe
Depending on where you're running the pipenv install command, set env variable PIP_NO_CACHE_DIR to off. In my case, I set this in my Dockerfile by having a line ENV PIP_NO_CACHE_DIR=false before RUN pipenv install