when trying to "Add New Tag" (with Context menu in the tags panel), picard crashes immediately with the error
Traceback (most recent call last):
File "/usr/lib/python3.6/site-packages/picard/ui/metadatabox.py", line 345, in edit_tag
EditTagDialog(self.parent, tag).exec_()
File "/usr/lib/python3.6/site-packages/picard/ui/edittagdialog.py", line 39, in _init_
set(TAG_NAMES.keys() + self.metadata_box.tag_diff.tag_names))
TypeError: unsupported operand type(s) for +: 'dict_keys' and 'list'
Aborted (core dumped)