The latest version of Numpy doesn't like elementwise comparisons with lists, so we'll need to change array != [ ] to array is not [ ] throughout the code.  The commit address two instances in trim.
The latest version of Numpy doesn't like elementwise comparisons with lists, so we'll need to change array != [ ] to array is not [ ] throughout the code.  The commit address two instances in trim.

TomTranter/OpenPNM,amdouglas/OpenPNM,stadelmanma/OpenPNM,PMEAL/OpenPNM,amdouglas/OpenPNM