Missing format string: https://github.com/Frameio/python-frameio-client/blob/ec3d25d5bff699e3a7764975412abb30589f10eb/frameioclient/lib/transport.py#L145 Fixed: https://github.com/beatreichenbach/python-frameio-client/commit/161cea8e761b54d8b8a23270ba6084820ed0ff3c
