class_docstr: Tests for horovod.common.
class_docstr_tok: ["Tests","for","horovod.common","."]
docstr: Test that TensorFLow support has been built.
docstr_tok: ["Test","that","TensorFLow","support","has","been","built","."]
code: def test_tensorflow_available(self):
      """Test that TensorFLow support has been built."""
      available = extension_available("tensorflow")
      try:
          self.assertTrue(available)
      except:
          self.assertFalse(available)
  
file_path: horovod/test/parallel/test_common.py
imports: import os
  import unittest
  import warnings
  from horovod.common.util import _cache, extension_available, gloo_built, mpi_built
label_desc: Use image node_id 4 for calling the CommonTests obj's underlying member method code with example usage: obj.test_tensorflow_available() without return types