ensure requirements pinned in tox.ini are not overridden

ConorMacBride · ConorMacBride · commit bb60af8571c4 · 2025-11-09T12:58:02.000Z
diff --git a/tox.ini b/tox.ini
@@ -18,6 +18,7 @@ setenv =
     mpldev: PIP_EXTRA_INDEX_URL = https://pypi.anaconda.org/scientific-python-nightly-wheels/simple
 changedir = .tmp/{envname}
 description = run tests
+constrain_package_deps = true
 deps =
     pytest-xdist
     mpl20: matplotlib==2.0.*
