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Numpy version and "numpy.in1d" issue #34

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@huiwanpnnl

@willdunklin

This just for awareness: today (2026-06-22), I re-installed Anaconda on my MacBook Pro and then installed QuickComapre 1.8.3. When loading variables, I got the following error message:

AttributeError: module 'numpy' has no attribute 'in1d'. Did you mean: 'int16'?

Google says "This error occurs because numpy.in1d was deprecated in NumPy 2.0 and completely removed in NumPy 2.4.0", and it suggested that I should downgrade NumPy using pip install "numpy<2.4.0". Indeed, the NumPy in my newly installed Anaconda was 2.4.6, and the downgrading worked.

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