__builtins__ => builtins

src/tyro/_docstrings.py

@@ -1,5 +1,6 @@
 """Helpers for parsing docstrings. Used for helptext generation."""
 
+import builtins
 import collections.abc
 import dataclasses
 import functools
@@ -284,7 +285,10 @@ def get_field_docstring(cls: Type, field_name: str) -> Optional[str]:
 _callable_description_blocklist: Set[Hashable] = set(
     filter(
         lambda x: isinstance(x, Hashable),  # type: ignore
-        itertools.chain(__builtins__.values(), vars(collections.abc).values()),  # type: ignore
+        itertools.chain(
+            vars(builtins).values(),
+            vars(collections.abc).values(),
+        ),
     )
 )
 

src/tyro/_fields.py

@@ -3,6 +3,7 @@
 
 from __future__ import annotations
 
+import builtins
 import collections
 import collections.abc
 import dataclasses
@@ -353,7 +354,7 @@ def resolve(field: FieldDefinition) -> FieldDefinition:
     filter(
         lambda x: isinstance(x, Hashable),  # type: ignore
         itertools.chain(
-            __builtins__.values(),  # type: ignore
+            vars(builtins).values(),  # type: ignore
             vars(typing).values(),
             vars(typing_extensions).values(),
             vars(collections.abc).values(),

src/tyro/_instantiators.py

@@ -31,6 +31,7 @@
 ```
 """
 
+import builtins
 import collections.abc
 import dataclasses
 import datetime
@@ -106,7 +107,7 @@ class UnsupportedTypeAnnotationError(Exception):
 _builtin_set: Set[Hashable] = set(
     filter(
         lambda x: isinstance(x, Hashable),  # type: ignore
-        __builtins__.values(),  # type: ignore
+        vars(builtins).values(),  # type: ignore
     )
 )