code: def test_model_no_pad_pt(self):
      unmasker = pipeline(
          task="fill-mask",
          model="sshleifer/tiny-distilroberta-base",
          framework="pt",
      )
      unmasker.tokenizer.pad_token_id = None
      unmasker.tokenizer.pad_token = None
      self.run_pipeline_test(unmasker, [])
  
imports: import unittest
  from transformers import MODEL_FOR_MASKED_LM_MAPPING, TF_MODEL_FOR_MASKED_LM_MAPPING, FillMaskPipeline, pipeline
  from transformers.pipelines import PipelineException
  from transformers.testing_utils import nested_simplify, require_tf, require_torch, require_torch_gpu, slow
  from .test_pipelines_common import ANY, PipelineTestCaseMeta
label_desc: Use image node_id 7 for calling the FillMaskPipelineTests obj's underlying member method code with example usage: obj.test_model_no_pad_pt() without return types