https://github.com/tree-sitter/py-tree-sitter/commit/85e49483b6d2b49953568d95cfa03e539bfb8179
From: ObserverOfTime <chronobserver@disroot.org>
fix(language): use uintptr_t

--- a/tests/test_language.py
+++ b/tests/test_language.py
@@ -18,7 +18,6 @@ def setUp(self):
         self.rust = tree_sitter_rust.language()

     def test_init_invalid(self):
-        self.assertRaises(ValueError, Language, -1)
         self.assertRaises(ValueError, Language, 42)

     def test_properties(self):
--- a/tree_sitter/binding/language.c
+++ b/tree_sitter/binding/language.c
@@ -5,8 +5,8 @@ int language_init(Language *self, PyObject *args, PyObject *Py_UNUSED(kwargs)) {
     if (!PyArg_ParseTuple(args, "O:__init__", &language)) {
         return -1;
     }
-    Py_ssize_t language_id = PyLong_AsSsize_t(language);
-    if (language_id < 1 || (language_id % sizeof(TSLanguage *)) != 0) {
+    Py_uintptr_t language_id = PyLong_AsSize_t(language);
+    if (language_id == 0 || (language_id % sizeof(TSLanguage *)) != 0) {
         if (!PyErr_Occurred()) {
             PyErr_SetString(PyExc_ValueError, "invalid language ID");
         }