KeyError: "Unable to open object (Object 'lstm_1_enc:w_dense' doesn't exist)"

[ArghyaPal]

I got the following while running;
python display_results.py models/lstm_combo_1layer_mnist_pretrained.pbtxt datasets/bouncing_mnist_valid.pbtxt 0

Error message:
Using board 0 2048 Traceback (most recent call last): File "display_results.py", line 22, in <module> main() File "display_results.py", line 9, in main lstm_autoencoder = LSTMCombo(model) File "/home/arghya/unsupervised-videos/lstm_combo.py", line 18, in __init__ self.lstm_stack_enc_.Add(lstm.LSTM(l)) File "/home/arghya/unsupervised-videos/lstm.py", line 21, in __init__ self.w_dense_ = Param((4 * num_lstms, num_lstms), lstm_config.w_dense) File "/home/arghya/unsupervised-videos/util.py", line 50, in __init__ mat = f[config.dataset_name].value File "h5py/_objects.pyx", line 54, in h5py._objects.with_phil.wrapper (/tmp/pip-build-4NvvlI/h5py/h5py/_objects.c:2682) File "h5py/_objects.pyx", line 55, in h5py._objects.with_phil.wrapper (/tmp/pip-build-4NvvlI/h5py/h5py/_objects.c:2640) File "/usr/local/lib/python2.7/dist-packages/h5py/_hl/group.py", line 166, in __getitem__ oid = h5o.open(self.id, self._e(name), lapl=self._lapl) File "h5py/_objects.pyx", line 54, in h5py._objects.with_phil.wrapper (/tmp/pip-build-4NvvlI/h5py/h5py/_objects.c:2682) File "h5py/_objects.pyx", line 55, in h5py._objects.with_phil.wrapper (/tmp/pip-build-4NvvlI/h5py/h5py/_objects.c:2640) File "h5py/h5o.pyx", line 190, in h5py.h5o.open (/tmp/pip-build-4NvvlI/h5py/h5py/h5o.c:3568) KeyError: "Unable to open object (Object 'lstm_1_enc:w_dense' doesn't exist)"