instale imutils
pip install imutils
unsupported sparrow
pip install imutils
pip install django-crispy-forms
curl -L https://cpanmin.us | perl - --sudo App::cpanminus
# 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