From 3d5f615753090347c55f2ef1d2ff7c141edf4233 Mon Sep 17 00:00:00 2001
From: Vijay Janapa Reddi <vj@eecs.harvard.edu>
Date: Tue, 3 Feb 2026 23:58:47 -0500
Subject: [PATCH] Fix physx test path and add pint dependency to pre-commit

- test_units.py: Use absolute path based on script location
- .pre-commit-config.yaml: Add pint to additional_dependencies
---
 .pre-commit-config.yaml         | 1 +
 book/quarto/physx/test_units.py | 7 ++++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 01c8d2176..f777a60af 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -239,6 +239,7 @@ repos:
         name: "Book: PhysX unit checks"
         entry: python book/quarto/physx/test_units.py
         language: python
+        additional_dependencies: [pint]
         pass_filenames: false
         files: ^book/quarto/contents/.*\.qmd$
 
diff --git a/book/quarto/physx/test_units.py b/book/quarto/physx/test_units.py
index c41f3bbdb..3e686ff48 100644
--- a/book/quarto/physx/test_units.py
+++ b/book/quarto/physx/test_units.py
@@ -12,7 +12,12 @@ registered in pint's registry, not just a Python variable.
 """
 
 import sys
-sys.path.insert(0, "book/quarto")
+import os
+
+# Add book/quarto to path (works from any working directory)
+_script_dir = os.path.dirname(os.path.abspath(__file__))
+_quarto_dir = os.path.dirname(_script_dir)
+sys.path.insert(0, _quarto_dir)
 
 from physx.constants import *
 from physx.formulas import *