RuntimeError: Hydraulic_metrics

[jeongsoo0908]

Hello. I want to inquire about error while studying WNTR Simulator.
An error occurs during the calculation of 'Compute water service availability, for each operation' in the hydraulics.

Warning (from warnings module):
File "C:\Users\syste\AppData\Local\Programs\Python\Python36\lib\site-packages\wntr\sim\hydraulics.py", line 713
last_segment = (-0.5)j_d/(nomP-minP)((P-minP)/(nomP-minP))**(-0.5)
RuntimeWarning: divide by zero encountered in power

Warning (from warnings module):
File "C:\Users\syste\AppData\Local\Programs\Python\Python36\lib\site-packages\wntr\sim\hydraulics.py", line 713
last_segment = (-0.5)j_d/(nomP-minP)((P-minP)/(nomP-minP))**(-0.5)
RuntimeWarning: invalid value encountered in multiply

I hope you will let me know the solution to this.
Thank you.

[michaelbynum]

This is actually not a problem. These warnings come from numpy. They are expected, but difficult to suppress. We are working on a refactor of the hydraulics model that should be available in a few weeks. One of the benefits of the refactor is that these warnings will not be encountered.