ValueError when checking if variable is None or numpy.array

Question

I\'d like to check if variable is None or numpy.array. I\'ve implemented check_a function to do this.

def check_a(a):
    if not a:
        prin         


        

Answer 1

If you are trying to do something very similar: a is not None, the same issue comes up. That is, Numpy complains that one must use a.any or a.all.

A workaround is to do:

if not (a is None):
    pass

Not too pretty, but it does the job.