futurize
Clean single-source support for Python 3 and 2
RUN apt-get update && \
apt-get install -y python-future
RUN apt-get update && \
apt-get install -y python-future
RUN pacman -S --noconfirm python-future
RUN apt-get update && \
apt-get install -y python-future
RUN dnf install -y python2-future
RUN apt-get update && \
apt-get install -y python-future