diff --git a/code/python/src/local/maths.py b/code/python/src/local/maths.py
index d29c145..6c13c4f 100644
--- a/code/python/src/local/maths.py
+++ b/code/python/src/local/maths.py
@@ -7,6 +7,7 @@
 
 import math;
 import numpy as np;
+import pandas as pd;
 import random;
 
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -16,5 +17,6 @@ import random;
 __all__ = [
     'math',
     'np',
+    'pd',
     'random',
 ];
diff --git a/code/python/src/local/typing.py b/code/python/src/local/typing.py
index 6a074a6..ea66d92 100644
--- a/code/python/src/local/typing.py
+++ b/code/python/src/local/typing.py
@@ -5,14 +5,15 @@
 # IMPORTS
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
+from enum import Enum;
 from types import TracebackType;
-
 from typing import Any;
 from typing import Callable;
 from typing import Dict;
 from typing import Generator;
 from typing import Generic;
 from typing import List;
+from typing import Optional;
 from typing import Tuple;
 from typing import Type;
 from typing import TypeVar;
@@ -24,6 +25,7 @@ from nptyping import NDArray;
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 __all__ = [
+    'Enum',
     'TracebackType',
     'Any',
     'Callable',
@@ -31,6 +33,7 @@ __all__ = [
     'Generator',
     'Generic',
     'List',
+    'Optional',
     'Tuple',
     'Type',
     'TypeVar',