Lesson 19: Error while training. Please look into issue and help

[gangooteli]

Code: Lesson 19 - Seq2Seq - Date translator - Solutions.ipynb for epoch_i in range(epochs): start_time = time.time() for batch_i, (source_batch, target_batch) in enumerate(batch_data(X_train, y_train, batch_size)): _, batch_loss, batch_logits = sess.run([optimizer, loss, logits], feed_dict = {inputs: source_batch, outputs: target_batch[:, :-1], targets: target_batch[:, 1:] })

Error: ValueError Traceback (most recent call last) in () 9 feed_dict = {inputs: source_batch, 10 outputs: target_batch[:, :-1], ---> 11 targets: np.array(target_batch[:, 1:]) 12 }) 13 accuracy = np.mean(batch_logits.argmax(axis=-1) == target_batch[:,1:])

/home/nikhil/anaconda/envs/tfone/lib/python2.7/site-packages/tensorflow/python/client/session.pyc in run(self, fetches, feed_dict, options, run_metadata) 776 try: 777 result = self._run(None, fetches, feed_dict, options_ptr, --> 778 run_metadata_ptr) 779 if run_metadata: 780 proto_data = tf_session.TF_GetBuffer(run_metadata_ptr)

/home/nikhil/anaconda/envs/tfone/lib/python2.7/site-packages/tensorflow/python/client/session.pyc in _run(self, handle, fetches, feed_dict, options, run_metadata) 952 np_val = subfeed_val.to_numpy_array() 953 else: --> 954 np_val = np.asarray(subfeed_val, dtype=subfeed_dtype) 955 956 if (not is_tensor_handle_feed and

/home/nikhil/anaconda/envs/tfone/lib/python2.7/site-packages/numpy/core/numeric.pyc in asarray(a, dtype, order) 529 530 """ --> 531 return array(a, dtype, copy=False, order=order) 532 533

ValueError: setting an array element with a sequence.