fix: #20878 Provide " as member" where needed

[robertleeplummerjr]

• Generate new samples
• Add tests for all effected python versions
• Ran tests with success

Commands used to verify:

./bin/generate-samples.sh ./bin/configs/python*
mvn verify -Psamples
mvn integration-test -f modules/openapi-generator/pom.xml -Dtest=org.openapitools.codegen.python.PythonPydanticV1ClientCodegenTest -e mvn integration-test -f modules/openapi-generator/pom.xml -Dtest=org.openapitools.codegen.python.PythonClientCodegenTest -e

I didn't include the updates to all samples, only those for python, but I do have a commit for all samples here: e014bb2
I omitted because I didn't want to cause a conflict.

to close #20878

PR checklist

• Read the contribution guidelines.
• Pull Request title clearly describes the work in the pull request and Pull Request description provides details about how to validate the work. Missing information here may result in delayed response from the community.
• Run the following to build the project and update samples:

  ./mvnw clean package || exit
  ./bin/generate-samples.sh ./bin/configs/*.yaml || exit
  ./bin/utils/export_docs_generators.sh || exit
  

  (For Windows users, please run the script in Git BASH)
  Commit all changed files.
  This is important, as CI jobs will verify all generator outputs of your HEAD commit as it would merge with master.
  These must match the expectations made by your contribution.
  You may regenerate an individual generator by passing the relevant config(s) as an argument to the script, for example ./bin/generate-samples.sh bin/configs/java*.
  IMPORTANT: Do NOT purge/delete any folders/files (e.g. tests) when regenerating the samples as manually written tests may be removed.
• File the PR against the correct branch: master (upcoming 7.x.0 minor release - breaking changes with fallbacks), 8.0.x (breaking changes without fallbacks)
• If your PR is targeting a particular programming language, @mention the technical committee members, so they are more likely to review the pull request.

[robertleeplummerjr]

Mentioning Members of Technical Committee: @cbornet (2017/09) @tomplus (2018/10) @krjakbrjak (2023/02) @fa0311 (2023/10) @multani (2023/10)

[robertleeplummerjr]

This probably could be simpler. I used an LLM to get a template to work from. I welcome any feedback.

[wing328]

@robertleeplummerjr thanks for the pr. can you please review the build failure when you've time?

[robert-lore]

@wing328 I believe those errors to be unrelated to the changes introduced by this PR, possibly from the tests being fragile. I didn't see a place where I can re-run them but perhaps that would provide them a chance to run successfully.

[wing328]

fixed tests via #21304

closing this one. thanks again for the PR

[robertleeplummerjr]

You guys rock. This project is pretty fantastic.