Dear maintainer, According to https://ci.debian.net data, your package pymca has an autopkgtest regression with numpy. The following architectures failed: amd64, arm64. Hopefully relevant excerpt from https://ci.debian.net/packages/p/pymca/unstable/amd64/69506800/ follows: 218s testPCAToolsPCA (PCAToolsTest.testPCATools.testPCAToolsPCA) ... ERROR 235s ERROR: testPCAToolsPCA (PCAToolsTest.testPCATools.testPCAToolsPCA) 235s TypeError: only 0-dimensional arrays can be converted to Python scalars 235s ValueError: setting an array element with a sequence. 235s FAILED (errors=1, skipped=3) 236s command1 FAIL non-zero exit status 1 351s command1 FAIL non-zero exit status 1