This fails trying to create a relationship between the original file and the copy that will be delivered:
File ".../ddsc/core/d4s2.py", line 467, in run
used_entity_id = self._lookup_used_entity_id(file_details)
File ".../ddsc/core/d4s2.py", line 484, in _lookup_used_entity_id
return self.activity.remote_path_to_file_version_id[remote_path]
KeyError: u'docs/GettingAgentAndUserKeys.md'
This fails trying to create a relationship between the original file and the copy that will be delivered: