"Comment" field in channel-level metadata causes python error

Attempting to enter anything in the "comment" field at the channel level produces the following error output. The information entered in the field is lost, but the program continues to operate and allows further editing without issue.

Traceback (most recent call last):
  File "/Users/sveitch/anaconda3/envs/passoft0624/lib/python3.10/site-packages/nexus/nexus.py", line 526, in set_comment
    self._inv_obj.comments[0].value = value
IndexError: list index out of range

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/Users/sveitch/anaconda3/envs/passoft0624/lib/python3.10/site-packages/nexus/nexus.py", line 579, in setData
    if not node.set_data(index.column(), value):
  File "/Users/sveitch/anaconda3/envs/passoft0624/lib/python3.10/site-packages/nexus/nexus.py", line 108, in set_data
    return setter(self, value)
  File "/Users/sveitch/anaconda3/envs/passoft0624/lib/python3.10/site-packages/nexus/nexus.py", line 528, in set_comment
    self._inv_obj.comments = [obspyImproved.Comment(
AttributeError: module 'nexus.obspyImproved' has no attribute 'Comment'