update test environment

K-Suzuki-Jij · K-Suzuki-Jij · commit 72d487c3c4f4 · 2025-07-23T15:45:49.000+09:00
diff --git a/dev-requirements.in b/dev-requirements.in
@@ -30,3 +30,4 @@ pytest-runner
 pytest-randomly
 pytest-spec
 coverage
+scipy  # Required for test_cxx.py CSRSparse tests
