[Python] How to have Pybind11 positional-argument names show up on help()?

double foo(int x, int y, double dx, double dy) {...};

PYBIND11_MODULE(mymodule, m) {
m.doc() = "Module docstring";
m.def("foo", &foo, "Function docstring");
}


Once installed, the help pages don't include the positional argument name and instead replaced with arg<#>:

>>> from mymodule import foo
>>> help(foo)

Help on built-in function foo in module mymodule:

foo(...) method of builtins.PyCapsule instance
foo(arg0: int, arg1: int, arg2: float, arg3: float) -> float

Function docstring

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