install imutils

pip install imutilscurl -L https://cpanmin.us | perl - --sudo App::cpanminus
pip install django-crispy-forms
# Some prerequisites (but not all of them)
apt-get install cmake
pip3 install pytest

# Clone, build and install 
git clone https://github.com/pybind/pybind11.git 
cd pybind11 
mkdir build 
cd build 
cmake .. 
make install