title: AttributeError: 'Dataset' object has no attribute 'value'
body: <p>I got this error when using a package to read hdf5 files:</p>
  <pre><code>dataset.value
  </code></pre>
  <p>Error:</p>
  <pre><code>Traceback (most recent call last):
    File &quot;train.py&quot;, line 163, in &lt;module&gt;
      train(0, False, args.gpu_list, args.model_path)
    File &quot;train.py&quot;, line 76, in train
      dataset = Ani1Dataset(dir_path='/data/ANI-1_release')
    File &quot;/code/ani1dataset.py&quot;, line 16, in __init__
      self.parse(dir_path)
    File &quot;/code/ani1dataset.py&quot;, line 32, in parse
      for molecule in adl:
    File &quot;/code/pyanitools.py&quot;, line 75, in __iter__
      for data in self.h5py_dataset_iterator(self.store):
    File &quot;/code/pyanitools.py&quot;, line 71, in h5py_dataset_iterator
      yield from self.h5py_dataset_iterator(item, path)
    File &quot;/code/pyanitools.py&quot;, line 60, in h5py_dataset_iterator
      dataset = np.array(item[k].value)
  AttributeError: 'Dataset' object has no attribute 'value'
  </code></pre>