Using branch al/opendss_reader_writer_merge, trying to convert a SHiFT output from GDM to OpenDSS. The following setup is used:
resulting in the following error:

I think the issue can be resolved by replacing output_folder = output_path with output_folder = Path(output_path) on line 97 of src\ditto\writers\opendss\write.py, but someone with more familiarity can verify this.
Contact: owenf@seas.upenn.edu