From bc021e4b76e2d6ff53c6c8312b39ef180be04b4c Mon Sep 17 00:00:00 2001
From: Ella Wu <602725+ewu63@users.noreply.github.com>
Date: Mon, 5 Aug 2024 13:12:58 -0700
Subject: [PATCH] use packaging instead of pkg_resources (#412)

---
 .github/environment.yml        | 1 +
 pyoptsparse/pySNOPT/pySNOPT.py | 2 +-
 setup.py                       | 1 +
 3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/.github/environment.yml b/.github/environment.yml
index 65035f83..237cc786 100644
--- a/.github/environment.yml
+++ b/.github/environment.yml
@@ -10,6 +10,7 @@ dependencies:
   - pip
   - setuptools
   - build
+  - packaging
 # testing
   - parameterized
   - testflo
diff --git a/pyoptsparse/pySNOPT/pySNOPT.py b/pyoptsparse/pySNOPT/pySNOPT.py
index 1a39fb2b..5354f78e 100644
--- a/pyoptsparse/pySNOPT/pySNOPT.py
+++ b/pyoptsparse/pySNOPT/pySNOPT.py
@@ -15,7 +15,7 @@
 from baseclasses.utils import CaseInsensitiveSet, writePickle
 import numpy as np
 from numpy import ndarray
-from pkg_resources import parse_version
+from packaging.version import parse as parse_version
 
 # Local modules
 from ..pyOpt_error import Error
diff --git a/setup.py b/setup.py
index 6866e167..205c1416 100644
--- a/setup.py
+++ b/setup.py
@@ -102,6 +102,7 @@ def copy_shared_libraries():
         platforms=["Linux"],
         keywords="optimization",
         install_requires=[
+            "packaging",
             "sqlitedict>=1.6",
             "numpy>=1.21,<2",
             "scipy>=1.7",