def get_call_template(self, args, kws):
        """
        Get a typing.ConcreteTemplate for this dispatcher and the given
        *args* and *kws* types.  This enables the resolving of the return type.

        A (template, pysig, args, kws) tuple is returned.
        """
        assert not kws
        self._legalize_arg_types(args)
        # Coerce to object mode
        args = [types.ffi_forced_object] * len(args)

        if self._can_compile:
            self.compile(tuple(args))

        signatures = [typing.signature(self.output_types, *args)]
        pysig = None
        func_name = self.py_func.__name__
        name = "CallTemplate({0})".format(func_name)
        call_template = typing.make_concrete_template(
            name, key=func_name, signatures=signatures)

        return call_template, pysig, args, kws

        Get a typing.ConcreteTemplate for this dispatcher and the given
        *args* and *kws* types.  This enables the resolving of the return type.

        A (template, pysig, args, kws) tuple is returned.
        
numba/core/dispatcher.py