How to correctly get the UUID of the entire disk?

As UUID’s are assigned in partitioning phase (by software), there is no UUID available for entire disk. However, /dev/disk/by-id/ contains promising information for that purpose. We can get the “UUID” path for – eg. /dev/sd/ by: $ export disk=sdb; ls /dev/disk/by-id/ -l | egrep “/$disk$” | awk ‘{print “/dev/disk/by-id/”$9}’ /dev/disk/by-id/ata-ST1000LM048-2E7172_WKP6XK95 /dev/disk/by-id/wwn-0x5000c500ccbb7485 However, as you can…

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ImportError: cannot import name ‘Imputer’ from ‘sklearn.preprocessing’

I’m learning data preprocessing, there, for handling missing values I’m using sklearn library when I use the following code; from sklearn.preprocessing import SimpleImputer I got an error as: ImportError: cannot import name ‘SimpleImputer’ from ‘sklearn.preprocessing’ I have the latest sklearn i.e. 0.22. What should I do?

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