Add msgspec dep, fix lint issues.

pytype/abstract/_classes.py

@@ -682,7 +682,8 @@ def __hash__(self):
         for name, val in self.formal_type_parameters.items():
           # The 'is not True' check is to prevent us from incorrectly caching
           # the hash when val.resolved == LateAnnotation._RESOLVING.
-          if val.is_late_annotation() and val.resolved is not True:  # pylint: disable=g-bool-id-comparison  # pytype: disable=attribute-error
+          if (val.is_late_annotation() and
+              val.resolved is not True):  # pylint: disable=g-bool-id-comparison  # pytype: disable=attribute-error
             cache = False
           items.append((name, val.full_name))
       hashval = hash((self.base_cls, tuple(items)))

pytype/pytd/pytd_test.py

@@ -25,7 +25,7 @@ def test_class_type_equality(self):
 
   def test_iter(self):
     n = pytd.NamedType("int")
-    fields = [f for f in n]
+    fields = list(n)
     self.assertEqual(fields, [n.name])
 
   def test_union_type_eq(self):

requirements.txt

@@ -6,6 +6,7 @@ importlab>=0.8
 immutabledict>=4.1.0
 jinja2>=3.1.2
 libcst>=1.0.1
+msgspec>=0.18.6
 networkx<3.2
 ninja>=1.10.0.post2
 pybind11>=2.10.1

setup.cfg

@@ -36,6 +36,7 @@ install_requires =
     immutabledict>=4.1.0
     jinja2>=3.1.2
     libcst>=1.0.1
+    msgspec>=0.18.6
     networkx<3.2
     ninja>=1.10.0.post2
     pycnite>=2023.10.11