Underscore submodules {_autodiff,_adjoint_field}

src/pystencils_autodiff/__init__.py

@@ -4,8 +4,8 @@ import pystencils_autodiff.backends  # NOQA
 from pystencils_autodiff._field_to_tensors import (  # NOQA
     tf_constant_from_field, tf_placeholder_from_field, tf_scalar_variable_from_field,
     tf_variable_from_field, torch_tensor_from_field)
-from pystencils_autodiff.adjoint_field import AdjointField
-from pystencils_autodiff.autodiff import (
+from pystencils_autodiff._adjoint_field import AdjointField
+from pystencils_autodiff._autodiff import (
     AutoDiffAstPair, AutoDiffOp, create_backward_assignments, get_jacobian_of_assignments)
 
 __all__ = ['backends',