message: Expose calculateElectronDensity in the python bindings
diff: @@ -63,8 +63,16 @@ PYBIND11_MODULE(core, m)
  bool (GaussianSetTools::*calculateMolecularOrbital0)(Cube&, int) const =
  &GaussianSetTools::calculateMolecularOrbital;
  + bool (GaussianSetTools::*calculateElectronDensity0)(Cube&) const =
  + &GaussianSetTools::calculateElectronDensity;
  + bool (GaussianSetTools::*calculateSpinDensity0)(Cube&) const =
  + &GaussianSetTools::calculateSpinDensity;
  py::class_<GaussianSetTools>(m, "GaussianSetTools")
  .def(py::init<Molecule*>())
  .def("calculate_molecular_orbital", calculateMolecularOrbital0,
  - "Calculate the molecular orbital and set values in the cube");
  + "Calculate the molecular orbital and set values in the cube")
  + .def("calculate_electron_density", calculateElectronDensity0,
  + "Calculate the electron density and set values in the cube")
  + .def("calculate_spin_density", calculateSpinDensity0,
  + "Calculate the spin density and set values in the cube");
  }
  