E: Unable to locate package python3-pip docker file
....
# use this for ubuntu 14.04 or 16.04
RUN apt-get update -y && apt-get install -y software-properties-common && add-apt-repository ppa:deadsnakes/ppa
RUN apt-get update -y && apt-get install -y \
 python3.6 \
 python3-pip \
 curl \
 git
RUN pip3 install --upgrade pip
 
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