From a6b0dfbd531f074855d14fffe037419d0ff35ad2 Mon Sep 17 00:00:00 2001
From: Harmen Stoppels <me@harmenstoppels.nl>
Date: Tue, 29 Apr 2025 12:53:30 +0200
Subject: [PATCH] package_base.py: use sys.modules for module lookup (#50230)

---
 lib/spack/spack/package_base.py | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/lib/spack/spack/package_base.py b/lib/spack/spack/package_base.py
index 54ba4bac32e..7fa444d2e86 100644
--- a/lib/spack/spack/package_base.py
+++ b/lib/spack/spack/package_base.py
@@ -14,7 +14,6 @@
 import functools
 import glob
 import hashlib
-import importlib
 import io
 import os
 import re
@@ -818,12 +817,12 @@ def package_dir(cls):
 
     @classproperty
     def module(cls):
-        """Module object (not just the name) that this package is defined in.
+        """Module instance that this package class is defined in.
 
         We use this to add variables to package modules.  This makes
         install() methods easier to write (e.g., can call configure())
         """
-        return importlib.import_module(cls.__module__)
+        return sys.modules[cls.__module__]
 
     @classproperty
     def namespace(cls):