docstr: Test that a TensorSpec without a framework can be created and used except
  for filling.
docstr_tok: ["Test","that","a","TensorSpec","without","a","framework","can","be","created","and","used","except","for","filling","."]
code: def test_no_framework_arg(self):
      """
      Test that a TensorSpec without a framework can be created and used except
      for filling.
      """
      spec = TensorSpec("b, h", b=2, h=3)
      self.assertRaises(ValueError, lambda: spec.fill(0))
  
      for fw in FRAMEWORKS_TO_TEST:
          tensor = TensorSpec("b, h", b=2, h=3, framework=fw).fill(0)
          spec.validate(tensor)
  
file_path: ray/python/ray/rllib/core/models/specs/tests/test_tensor_spec.py
imports: import itertools
  import unittest
  import numpy
  from ray.rllib.utils import try_import_jax, try_import_tf, try_import_torch
  from ray.rllib.utils.test_utils import check
  from ray.rllib.core.models.specs.specs_base import TensorSpec
label_desc: Use image node_id 6 for calling the TestSpecs obj's underlying member method code with example usage: obj.test_no_framework_arg() without return types