Description of the problem

could not perform double differencing of the interferogram.

Full script that generated the error

!spatial_filter.py  ./inputs/ifgramStack.h5 unwrapPhase -f double_difference -p 1 10

Full error message

TypeError: `pad_width` must be of integral type.

System information

• Operating system: Linux
• Python environment: Conda env: insar_analysis in OpenSarLab
• MintPy version: MintPy version 1.5.1
• Your custom / default template file (if the bug is related to a specific dataset):