code: def get(self, model, *attrs):
      result = tuple()
      for attr in attrs:
          key = (model, attr)
          if key not in self._cache:
              tmp = __import__(
                  "tests.models." + model, globals(), locals(), [attr]
              )
              self._cache[key] = getattr(tmp, attr)
          result += (self._cache[key],)
      return result if len(result) > 1 else result[0]
  
file_path: tfdeploy/tests/base.py
imports: import os
  import sys
  import unittest
  import tensorflow
  import tfdeploy
label_desc: Use image node_id 2 for calling the TestCase obj's underlying member method code with example usage: obj.get(model) and returns: unknown