diff --git a/.gitignore b/.gitignore
index e7f0808..04e3b48 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,8 +1,13 @@
-# local files
+###############################################
+# Project Specific
+###############################################
 *.blm
 *.cms
 *.dat
 
+###############################################
+# Python
+###############################################
 
 # Byte-compiled / optimized / DLL files
 __pycache__/
@@ -93,6 +98,7 @@ celerybeat-schedule
 .venv
 venv/
 ENV/
+Pipfile*
 
 # Spyder project settings
 .spyderproject
@@ -107,7 +113,80 @@ ENV/
 # mypy
 .mypy_cache/
 
-.idea
-.vscode
 
-poetry.lock
+###############################################
+# Operating Systems
+###############################################
+# Windows thumbnail cache files
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+#
+# MacOS
+#
+
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+#
+#   Linux
+#
+*~
+
+# temporary files which can be created if a process still has a handle open of a deleted file
+.fuse_hidden*
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*
+
+# .nfs files are created when an open file is removed but is still being accessed
+.nfs*
diff --git a/probables/utilities.py b/probables/utilities.py
index 5f8a8ea..3029ae3 100644
--- a/probables/utilities.py
+++ b/probables/utilities.py
@@ -5,7 +5,7 @@
 import string
 from array import array
 from pathlib import Path
-from typing import List, Union
+from typing import Union
 
 
 def is_hex_string(hex_string: Union[str, None]) -> bool: