Error importing Eagle files

I’ve been trying to import Eagle schematic and board files into a new Upverter project but every time I try I get this error:
Unexpected import error. | Traceback (most recent call last): File "/home/ubuntu/builds/20170321204332/eggs/background_workers-201703102031_03dfed57-py2.7.egg/background_workers/handlers/import_file.py", line 331, in work File "/home/ubuntu/builds/20170321204332/eggs/background_workers-201703102031_03dfed57-py2.7.egg/background_workers/handlers/import_file.py", line 877, in process File "/home/ubuntu/builds/20170321204332/eggs/background_workers-201703102031_03dfed57-py2.7.egg/background_workers/handlers/import_file.py", line 992, in parse File "/home/ubuntu/builds/20170321204332/eggs/background_workers-201703102031_03dfed57-py2.7.egg/background_workers/handlers/import_file.py", line 1257, in parse_components File "/home/ubuntu/builds/20170321204332/eggs/background_workers-201703102031_03dfed57-py2.7.egg/background_workers/handlers/import_file.py", line 1688, in format_symbol File "/home/ubuntu/builds/20170321204332/eggs/background_workers-201703102031_03dfed57-py2.7.egg/background_workers/handlers/import_file.py", line 514, in add_shape File "/home/ubuntu/builds/20170321204332/eggs/background_workers-201703102031_03dfed57-py2.7.egg/background_workers/handlers/import_file.py", line 682, in add_polygon File "/home/ubuntu/builds/20170321204332/eggs/background_workers-201703102031_03dfed57-py2.7.egg/background_workers/handlers/import_file.py", line 698, in parse_polygon File "/usr/lib/python2.7/dist-packages/google/protobuf/internal/python_message.py", line 471, in field_setter self._fields[field] = type_checker.CheckValue(new_value) File "/usr/lib/python2.7/dist-packages/google/protobuf/internal/type_checkers.py", line 117, in CheckValue raise TypeError(message) TypeError: 0.0 has type , but expected one of: (, )

I have no idea what is causing this. Is this a glitch with Upverter or is it a problem on my end? Any help is appreciated!