vjpbd

Thanks for your quick answer! Here is the PS output from GMT: [ENU.ps.gz](https://github.com/GenericMappingTools/gmt/files/8957527/ENU.ps.gz)

I think I am narrowing on the issue. The `gmt grdvector` is within a `gmt psclip` block. If I move it outside this clipping block, the PDF file is generated...

@PaulWessel Here is the simplest version I could made of the issue but it could maybe be simplified further: [pdfissue.tar.gz](https://github.com/GenericMappingTools/gmt/files/8960413/pdfissue.tar.gz) You should be able to run it on your (linux)...

I got the following error when first running ISCE after installing it with Python 3.10 ``` File "/home/vjpbd/software/isce/v2.6.0/isce/components/iscesys/Component/TraitSeq.py", line 33, in from collections import MutableSequence ImportError: cannot import name 'MutableSequence'...

Hello @joa-quim Here is an archive with a minimal example (script, input files and results): [example.tar.gz](https://github.com/GenericMappingTools/gmt/files/15013349/example.tar.gz)

As @jsaul noted, this issue was fixed with GMT 6.6. I just tried it. Therefore we can consider this issue resolved.