[SciPy-User] annoying bug in isfinite - it yields warning each time

[Dmitrey]

Why numpy.isfinite yields warning like this:  
>>> __version__  
'1.5.0.dev8078' (latest, as well as lots of previous)  
  
>>> isfinite(inf)  
Warning: invalid value encountered in isfinite  
False  
>>> isfinite([inf,1.0])  
Warning: invalid value encountered in isfinite  
array([False,  True], dtype=bool)  
>>> isfinite(array([inf,1.0]))  
Warning: invalid value encountered in isfinite  
array([False,  True], dtype=bool)  
  
  
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