class_docstr: Find new categories in the test set.
class_docstr_tok: ["Find","new","categories","in","the","test","set","."]
code: def __init__(self, *args, **kwargs):
      super().__init__(*args, **kwargs)
      warnings.warn(
          "CategoryMismatchTrainTest is deprecated, use NewCategoryTrainTest instead",
          DeprecationWarning,
      )
  
imports: import warnings
  from .new_category_train_test import NewCategoryTrainTest
label_desc: Use image node_id 1 to create a new CategoryMismatchTrainTest object from inherited base classes: NewCategoryTrainTest with example: obj = CategoryMismatchTrainTest()