In test_json_to_relation.py changed imports to assume path ends just above the json_to_relation package directory.
In test_json_to_relation.py changed imports to assume path ends just above the json_to_relation package directory.

paepcke/json_to_relation,paepcke/json_to_relation,paepcke/json_to_relation,paepcke/json_to_relation