diff --git a/openmmtools/utils/__init__.py b/openmmtools/utils/__init__.py
index 6f5fdd47..b8632030 100644
--- a/openmmtools/utils/__init__.py
+++ b/openmmtools/utils/__init__.py
@@ -8,25 +8,32 @@
 or help users in different miscellaneous tasks.
 """
 from .utils import (
+    RestorableOpenMMObject,
+    RestorableOpenMMObjectError,
+    SubhookedABCMeta,
+    Timer,
+    TrackedQuantity,
+    TrackedQuantityView,
     _RESERVED_WORDS_PATTERNS,
+    _SERIALIZED_MANGLED_PREFIX,
+    _VALID_UNITS,
+    _VALID_UNIT_FUNCTIONS,
+    _changes_state,
     deserialize,
     find_all_subclasses,
+    find_subclass,
     get_available_platforms,
     get_fastest_platform,
     is_quantity_close,
+    math_eval,
     platform_supports_precision,
     quantity_from_string,
     sanitize_expression,
-    math_eval,
-    RestorableOpenMMObject,
-    RestorableOpenMMObjectError,
     serialize,
-    SubhookedABCMeta,
     temporary_directory,
     time_it,
-    Timer,
-    TrackedQuantity,
     typename,
+    with_metaclass,
     with_timer,
 )