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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Failing to connect applications via MaxScale

I have 3 node Galera Cluseter and a node for maxscale. the problem is only maxscale user i have defined in maxscale.cnf can connect to cluster via listener service. all nodes are in local network and can see each other. maxscale.cnf [maxscale] threads=1 [Galera-Monitor] type=monitor module=galeramon servers=server1,server2,server3 user=maxscale password=qwe123 monitor_interval=1000 [Read-Write-Service] type=service router=readwritesplit servers=server1, server2,…

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