From 2bc38e42ac191935ca752cfc0da63509dba7083f Mon Sep 17 00:00:00 2001
From: Ed Braaten <ed.braaten@protonmail.ch>
Date: Mon, 26 Jan 2026 05:42:53 -0800
Subject: [PATCH] Added a shell.nix file to project directory.  Run nix-shell
 and this will create the necessary Python 3.12 environment needed to run the
 python script on a NixOS (25.11) system.

---
 shell.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/shell.nix b/shell.nix
index 5627f92..61cd94a 100644
--- a/shell.nix
+++ b/shell.nix
@@ -7,6 +7,7 @@ pkgs.mkShell {
         numpy
         openpyxl
         pandas
+        python-dateutil
     ]))
   ];
 }