diff --git a/pyproject.toml b/pyproject.toml
index 51549fd..0cf1e67 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -90,21 +90,6 @@ exclude = '''
 
 [tool.ruff]
 line-length = 120
-src = ["src/thoughtspot_tml"]
-exclude = [
-    "__pycache__",   # ignore compiled bytecode
-    ".venv*",        # ignore virtual environments
-    ".nox",          # ignore virtual environments
-
-    # project specific ignores
-    "__init__.py",        # ignore __init__.py
-    "_version.py",        # ignore __version__
-    "*compat.py",         # ignore compatibles
-    "_scriptability.py",  # ignore auto-generated files
-]
-
-[tool.ruff.lint]
-ignore-init-module-imports = true
 select = [
     "A",     # flake8-builtins: https://pypi.org/project/flake8-builtins/
     "ARG",   # flake8-unused-arguments: https://pypi.org/project/flake8-unused-arguments/
@@ -121,11 +106,19 @@ select = [
     "T20",   # flake8-print: https://pypi.org/project/flake8-print/
     "TCH",   # flake8-type-checking: https://pypi.org/project/flake8-type-checking/
 ]
+src = ["src/thoughtspot_tml"]
+exclude = [
+    "__pycache__",   # ignore compiled bytecode
+    ".venv*",        # ignore virtual environments
+    ".nox",          # ignore virtual environments
 
-[tool.ruff.lint.flake8-import-conventions.aliases]
-# Declare the default aliases.
-datetime = "dt"
-sqlalchemy = "sa"
+    # project specific ignores
+    "__init__.py",        # ignore __init__.py
+    "_version.py",        # ignore __version__
+    "*compat.py",         # ignore compatibles
+    "_scriptability.py",  # ignore auto-generated files
+]
+ignore-init-module-imports = true
 
 [tool.ruff.lint.flake8-type-checking]
 runtime-evaluated-base-classes = [
@@ -140,9 +133,6 @@ runtime-evaluated-base-classes = [
     "sqlmodel.SQLModel",
 ]
 
-[flake8]
-type-checking-pydantic-enabled = true
-
 [tool.ruff.lint.isort]
 combine-as-imports = true
 force-wrap-aliases = true
diff --git a/src/thoughtspot_tml/_tml.py b/src/thoughtspot_tml/_tml.py
index d271520..2686591 100644
--- a/src/thoughtspot_tml/_tml.py
+++ b/src/thoughtspot_tml/_tml.py
@@ -4,6 +4,7 @@
 from dataclasses import asdict, dataclass, fields, is_dataclass
 from typing import TYPE_CHECKING
 import json
+import keyword
 import pathlib
 import re
 import typing
@@ -67,6 +68,7 @@ def recursive_complex_attrs_to_dataclasses(instance: Any) -> None:
 
             for item in value:
                 if is_dataclass(field_type) and isinstance(item, dict):
+                    item = _sanitize_reserved_keyword_keys(item)
                     item = field_type(**item)
 
                 new_value.append(item)  # type: ignore[attr-defined]
@@ -84,6 +86,13 @@ def recursive_complex_attrs_to_dataclasses(instance: Any) -> None:
         setattr(instance, field.name, new_value)
 
 
+def _sanitize_reserved_keyword_keys(mapping: Dict[str, Any]) -> Dict[str, Any]:
+    """
+    Replace reserved keywords with a trailing sunder.
+    """
+    return {(f"{k}_" if keyword.iskeyword(k) else k): v for k, v in mapping.items()}
+
+
 def _recursive_remove_null(mapping: Dict[str, Any]) -> Dict[str, Any]:
     """
     Drop all keys with null values, they're optional.
diff --git a/src/thoughtspot_tml/_version.py b/src/thoughtspot_tml/_version.py
index 2ae4933..5015444 100644
--- a/src/thoughtspot_tml/_version.py
+++ b/src/thoughtspot_tml/_version.py
@@ -1 +1 @@
-__version__ = "2.0.14"
+__version__ = "2.0.15"
diff --git a/tests/test_tml.py b/tests/test_tml.py
index 7234f85..dfcfd77 100644
--- a/tests/test_tml.py
+++ b/tests/test_tml.py
@@ -1,13 +1,13 @@
+from __future__ import annotations
+
+import warnings
+
+from thoughtspot_tml import Answer, Connection, Liveboard, Pinboard, SQLView, Table, View, Worksheet
 from thoughtspot_tml.exceptions import TMLExtensionWarning
-from thoughtspot_tml import Connection
-from thoughtspot_tml import Table, View, SQLView, Worksheet
-from thoughtspot_tml import Answer, Liveboard, Pinboard
 from ward import test
-import warnings
 
 from . import _const
 
-
 for tml_cls, tml_type_name in (
     (Connection, "connection"),
     (Table, "table"),
@@ -22,9 +22,7 @@
     @test("{tml_cls.__name__} roundtrips")
     def _(tml_cls=tml_cls, tml_type_name=tml_type_name):
         path = _const.DATA_DIR / f"DUMMY.{tml_type_name}.tml"
-        temp = _const.TEMP_DIR / f"DUMMY.{tml_type_name}.tml"
-        tml_cls.load(path).dump(temp)
-        assert path.read_text() == temp.read_text()
+        assert path.read_text() == tml_cls.load(path).dumps()
 
     @test("{tml_cls.__name__} type name is '{tml_type_name}'")
     def _(tml_cls=tml_cls, tml_type_name=tml_type_name):