fails with pipedrive openapi spec

[folkertgrover]

$ openapi-python-generator --use-orjson https://developers.pipedrive.com/docs/api/v1/openapi-v2.yaml ptmcs

this results in:

Generating data from https://developers.pipedrive.com/docs/api/v1/openapi-v2.yaml (OpenAPI 3.0)
Traceback (most recent call last):
  File "/home/folkert/customer/pipedrive-to-mailchimp-contacts-sync2/venv/bin/openapi-python-generator", line 8, in <module>
    sys.exit(main())
             ^^^^^^
  File "/home/folkert/customer/pipedrive-to-mailchimp-contacts-sync2/venv/lib/python3.11/site-packages/click/core.py", line 1485, in __call__
    return self.main(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/folkert/customer/pipedrive-to-mailchimp-contacts-sync2/venv/lib/python3.11/site-packages/click/core.py", line 1406, in main
    rv = self.invoke(ctx)
         ^^^^^^^^^^^^^^^^
  File "/home/folkert/customer/pipedrive-to-mailchimp-contacts-sync2/venv/lib/python3.11/site-packages/click/core.py", line 1269, in invoke
    return ctx.invoke(self.callback, **ctx.params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/folkert/customer/pipedrive-to-mailchimp-contacts-sync2/venv/lib/python3.11/site-packages/click/core.py", line 824, in invoke
    return callback(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/folkert/customer/pipedrive-to-mailchimp-contacts-sync2/venv/lib/python3.11/site-packages/openapi_python_generator/__main__.py", line 72, in main
    generate_data(
  File "/home/folkert/customer/pipedrive-to-mailchimp-contacts-sync2/venv/lib/python3.11/site-packages/openapi_python_generator/generate_data.py", line 215, in generate_data
    result = generate_code_3_0(
             ^^^^^^^^^^^^^^^^^^
  File "/home/folkert/customer/pipedrive-to-mailchimp-contacts-sync2/venv/lib/python3.11/site-packages/openapi_python_generator/parsers/openapi_30.py", line 58, in generate_code_3_0
    return base_generator(
           ^^^^^^^^^^^^^^^
  File "/home/folkert/customer/pipedrive-to-mailchimp-contacts-sync2/venv/lib/python3.11/site-packages/openapi_python_generator/language_converters/python/generator.py", line 44, in generator
    services = generate_services(data.paths, library_config)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/folkert/customer/pipedrive-to-mailchimp-contacts-sync2/venv/lib/python3.11/site-packages/openapi_python_generator/language_converters/python/service_generator.py", line 442, in generate_services
    sync_so = generate_service_operation(op, clean_path_name, False)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/folkert/customer/pipedrive-to-mailchimp-contacts-sync2/venv/lib/python3.11/site-packages/openapi_python_generator/language_converters/python/service_generator.py", line 400, in generate_service_operation
    body_param = generate_body_param(op)
                 ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/folkert/customer/pipedrive-to-mailchimp-contacts-sync2/venv/lib/python3.11/site-packages/openapi_python_generator/language_converters/python/service_generator.py", line 130, in generate_body_param
    raise Exception(
Exception: Unsupported schema type for request body: None