def IsValid(self, variation):
    return variation in self
Testing the POST review-requests/<id>/file-attachments/ API with a
dataset/ETHPy150Open google/apis-client-generator/src/googleapis/codegen/targets.py/Variations.IsValid--crossover with--dataset/ETHPy150Open reviewboard/reviewboard/reviewboard/webapi/tests/test_file_attachment.py/ResourceListTests.test_post_with_attachment_history_id