What version are you running?
4.0
What steps will reproduce the problem?
Run tests using pytest.
What is the expected output? What do you see instead?
All tests should pass without warnings, but these warnings appear:
rbtools/api/tests/test_http_request.py::HttpRequestTests::test_encode_multipart_formdata

  $(@D)/rbtools/api/tests/test_http_request.py:67: RemovedInRBTools50Warning: A value of type %s was passed to HttpRequest.add_field. In RBTools 5.0, only values of bytes or str types will be accepted.

    request.add_field('bar', 42)
rbtools/api/tests/test_resource.py::ItemResourceTests::test_update_with_extra_data

rbtools/api/tests/test_resource.py::ItemResourceTests::test_update_with_extra_data

  $(@D)/rbtools/api/resource.py:252: RemovedInRBTools50Warning: A value of type %s was passed to HttpRequest.add_field. In RBTools 5.0, only values of bytes or str types will be accepted.

    request.add_field(name, value)
rbtools/api/tests/test_resource.py::ListResourceTests::test_create_with_extra_data

rbtools/api/tests/test_resource.py::ListResourceTests::test_create_with_extra_data

  $(@D)/rbtools/api/resource.py:188: RemovedInRBTools50Warning: A value of type %s was passed to HttpRequest.add_field. In RBTools 5.0, only values of bytes or str types will be accepted.

    request.add_field(name, value)
What operating system are you using?
NA
Attach the debug out from the command.
NA
Please provide any additional information below.
NA