>The path variable should be PyMem_Free'd

Sorry if I'm missing something, but is this really needed?
Other PyArg_ParseTuple(args, "s... doesn't seem to have
corresponding PyMem_Free.

static PyObject *
imp_new_module(PyObject *self, PyObject *args)
{
	char *name;
	if (!PyArg_ParseTuple(args, "s:new_module", &name))
		return NULL;
	return PyModule_New(name);
}