diff --git a/pyproject.toml b/pyproject.toml
index 608261844..84eb412a7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,8 @@ urls = {Homepage = "https://github.com/zettaai/zetta_utils"}
 requires-python = ">3.8,<3.11"
 dependencies = [
     "attrs >= 21.3",
-    "typeguard @ git+https://github.com/agronholm/typeguard.git@63b28186a9d00bb489f282f80b76834ac3d057fc",
+    "typeguard",
+    "typeguard @ git+https://github.com/agronholm/typeguard.git@f377be389765ed0db104b41d78fce3c45e72e149",
     "cachetools >= 5.2.0",
     "fsspec >= 2022.8.2",
     "rich >= 12.6.0",
diff --git a/zetta_utils/builder/build.py b/zetta_utils/builder/build.py
index c1efbac97..a73710491 100644
--- a/zetta_utils/builder/build.py
+++ b/zetta_utils/builder/build.py
@@ -2,7 +2,7 @@
 from __future__ import annotations
 
 import json
-from typing import Any, Callable, Final, Optional, Union
+from typing import Any, Callable, Final
 
 import attrs
 from typeguard import typechecked
@@ -22,8 +22,8 @@
 
 @typechecked
 def build(
-    spec: Optional[Union[dict, list]] = None,
-    path: Optional[str] = None,
+    spec: dict | list | None = None,
+    path: str | None = None,
 ) -> Any:
     """Build an object from the given spec.
 
@@ -171,9 +171,13 @@ class BuilderPartial:
 
     spec: dict[str, Any]
     _built_spec_kwargs: dict[str, Any] | None = attrs.field(init=False, default=None)
+    name: str | None = None
+    # name: str | None = None
 
     def get_display_name(self):  # pragma: no cover # pretty print
-        if SPECIAL_KEYS["type"] in self.spec:
+        if self.name is not None:
+            return self.name
+        elif SPECIAL_KEYS["type"] in self.spec:
             return self.spec[SPECIAL_KEYS["type"]]
         else:
             return "BuilderPartial"
diff --git a/zetta_utils/builder/built_in_registrations.py b/zetta_utils/builder/built_in_registrations.py
index 83715fafd..7e9070674 100644
--- a/zetta_utils/builder/built_in_registrations.py
+++ b/zetta_utils/builder/built_in_registrations.py
@@ -11,7 +11,7 @@
 
 
 @register("lambda", False)
-def efficient_parse_lambda_str(lambda_str: str) -> Callable:
+def efficient_parse_lambda_str(lambda_str: str, name: str | None = None) -> Callable:
     """Parses strings that are lambda functions"""
     if not isinstance(lambda_str, str):
         raise TypeError("`lambda_str` must be a string.")
@@ -20,7 +20,7 @@ def efficient_parse_lambda_str(lambda_str: str) -> Callable:
     if len(lambda_str) > LAMBDA_STR_MAX_LENGTH:
         raise ValueError(f"`lambda_str` must be at most {LAMBDA_STR_MAX_LENGTH} characters.")
 
-    return BuilderPartial(spec={"@type": "invoke_lambda_str", "lambda_str": lambda_str})
+    return BuilderPartial(spec={"@type": "invoke_lambda_str", "lambda_str": lambda_str}, name=name)
 
 
 @register("invoke_lambda_str", False)
diff --git a/zetta_utils/layer/volumetric/layer_set/layer.py b/zetta_utils/layer/volumetric/layer_set/layer.py
index 258b3b55e..279b6d42b 100644
--- a/zetta_utils/layer/volumetric/layer_set/layer.py
+++ b/zetta_utils/layer/volumetric/layer_set/layer.py
@@ -33,7 +33,7 @@ def __getitem__(self, idx: UserVolumetricIndex) -> dict[str, torch.Tensor]:
         return self.read_with_procs(idx=idx_backend)
 
     def __setitem__(
-        self, idx: UserVolumetricIndex, data: Mapping[str, torch.Tensor | int | float | bool]
+        self, idx: UserVolumetricIndex, data: Mapping[str, Union[torch.Tensor, int, float, bool]]
     ):
         idx_backend: VolumetricIndex | None = None
         idx_last: VolumetricIndex | None = None