Error running SDNE algorithm

[dbbice]

Dear authors,
I have issues using your implementation of sdne algorithm.Here is the console output statement:
...........................................................................................................................
H:\python3.6\python.exe C:/Users/丙冰/Desktop/GEM/gem/embedding/sdne.py
Using TensorFlow backend.

of nodes: 34, # of edges: 154

C:\Users\丙冰\Desktop\GEM\gem\embedding\sdne_utils.py:71: UserWarning: Update your Dense call to the Keras 2 API: Dense(50, activation="relu", kernel_regularizer=<keras.reg...)
W_regularizer=Reg.l1_l2(l1=nu1, l2=nu2))(y[i])
WARNING:tensorflow:From H:\python3.6\lib\site-packages\keras\backend\tensorflow_backend.py:1044: calling reduce_sum (from tensorflow.python.ops.math_ops) with keep_dims is deprecated and will be removed in a future version.
Instructions for updating:
keep_dims is deprecated, use keepdims instead
C:\Users\丙冰\Desktop\GEM\gem\embedding\sdne_utils.py:71: UserWarning: Update your Dense call to the Keras 2 API: Dense(15, activation="relu", kernel_regularizer=<keras.reg...)
W_regularizer=Reg.l1_l2(l1=nu1, l2=nu2))(y[i])
C:\Users\丙冰\Desktop\GEM\gem\embedding\sdne_utils.py:73: UserWarning: Update your Dense call to the Keras 2 API: Dense(2, activation="relu", kernel_regularizer=<keras.reg...)
W_regularizer=Reg.l1_l2(l1=nu1, l2=nu2))(y[K - 1])
C:\Users\丙冰\Desktop\GEM\gem\embedding\sdne_utils.py:75: UserWarning: Update your Model call to the Keras 2 API: Model(inputs=Tensor("in..., outputs=Tensor("de...)
encoder = Model(input=x, output=y[K])
C:\Users\丙冰\Desktop\GEM\gem\embedding\sdne_utils.py:90: UserWarning: Update your Dense call to the Keras 2 API: Dense(15, activation="relu", kernel_regularizer=<keras.reg...)
W_regularizer=Reg.l1_l2(l1=nu1, l2=nu2))(y_hat[i + 1])
C:\Users\丙冰\Desktop\GEM\gem\embedding\sdne_utils.py:90: UserWarning: Update your Dense call to the Keras 2 API: Dense(50, activation="relu", kernel_regularizer=<keras.reg...)
W_regularizer=Reg.l1_l2(l1=nu1, l2=nu2))(y_hat[i + 1])
C:\Users\丙冰\Desktop\GEM\gem\embedding\sdne_utils.py:92: UserWarning: Update your Dense call to the Keras 2 API: Dense(34, activation="relu", kernel_regularizer=<keras.reg...)
W_regularizer=Reg.l1_l2(l1=nu1, l2=nu2))(y_hat[1])
C:\Users\丙冰\Desktop\GEM\gem\embedding\sdne_utils.py:96: UserWarning: Update your Model call to the Keras 2 API: Model(inputs=Tensor("in..., outputs=Tensor("de...)
decoder = Model(input=y, output=x_hat)
C:\Users\丙冰\Desktop\GEM\gem\embedding\sdne_utils.py:108: UserWarning: Update your Model call to the Keras 2 API: Model(inputs=Tensor("in..., outputs=[<tf.Tenso...)
autoencoder = Model(input=x, output=[x_hat, y])
C:/Users/丙冰/Desktop/GEM/gem/embedding/sdne.py:115: UserWarning: The merge function is deprecated and will be removed after 08/2017. Use instead layers from keras.layers.merge, e.g. add, concatenate, etc.
output_shape=lambda L: L[1])
H:\python3.6\lib\site-packages\keras\legacy\layers.py:456: UserWarning: The Merge layer is deprecated and will be removed after 08/2017. Use instead layers from keras.layers.merge, e.g. add, concatenate, etc.
name=name)
C:/Users/丙冰/Desktop/GEM/gem/embedding/sdne.py:118: UserWarning: The merge function is deprecated and will be removed after 08/2017. Use instead layers from keras.layers.merge, e.g. add, concatenate, etc.
output_shape=lambda L: L[1])
C:/Users/丙冰/Desktop/GEM/gem/embedding/sdne.py:121: UserWarning: The merge function is deprecated and will be removed after 08/2017. Use instead layers from keras.layers.merge, e.g. add, concatenate, etc.
output_shape=lambda L: L[1])
C:/Users/丙冰/Desktop/GEM/gem/embedding/sdne.py:147: UserWarning: Update your Model call to the Keras 2 API: Model(inputs=Tensor("x_..., outputs=[<tf.Tenso...)
self._model = Model(input=x_in, output=[x_diff1, x_diff2, y_diff])
WARNING:tensorflow:From H:\python3.6\lib\site-packages\keras\backend\tensorflow_backend.py:1123: calling reduce_mean (from tensorflow.python.ops.math_ops) with keep_dims is deprecated and will be removed in a future version.
Instructions for updating:
keep_dims is deprecated, use keepdims instead
C:/Users/丙冰/Desktop/GEM/gem/embedding/sdne.py:160: UserWarning: The semantics of the Keras 2 argument steps_per_epoch is not the same as the Keras 1 argument samples_per_epoch. steps_per_epoch is the number of batches to draw from the generator at each epoch. Update your method calls accordingly.
verbose=1
C:/Users/丙冰/Desktop/GEM/gem/embedding/sdne.py:160: UserWarning: Update your fit_generator call to the Keras 2 API: fit_generator(generator=<generator..., verbose=1, steps_per_epoch=0, epochs=50)
verbose=1
WARNING:tensorflow:Variable *= will be deprecated. Use variable.assign_mul if you want assignment to the variable value or 'x = x * y' if you want a new python Tensor object.
Epoch 1/50
Exception in thread Thread-1:
Traceback (most recent call last):
File "H:\python3.6\lib\threading.py", line 916, in _bootstrap_inner
self.run()
File "H:\python3.6\lib\threading.py", line 864, in run
self._target(*self._args, **self._kwargs)
File "H:\python3.6\lib\site-packages\keras\engine\training.py", line 606, in data_generator_task
generator_output = next(self._generator)
File "C:\Users\丙冰\Desktop\GEM\gem\embedding\sdne_utils.py", line 50, in batch_generator_sdne
deg_i = np.sum(X_batch_v_i != 0, 1).reshape((batch_size, 1))
ValueError: cannot reshape array of size 154 into shape (500,1)

Traceback (most recent call last):
File "C:/Users/丙冰/Desktop/GEM/gem/embedding/sdne.py", line 262, in
is_weighted=True, no_python=True)
File "C:/Users/丙冰/Desktop/GEM/gem/embedding/sdne.py", line 160, in learn_embedding
verbose=1
File "H:\python3.6\lib\site-packages\keras\legacy\interfaces.py", line 88, in wrapper
return func(*args, **kwargs)
File "H:\python3.6\lib\site-packages\keras\engine\training.py", line 1913, in fit_generator
callbacks.on_epoch_end(epoch, epoch_logs)
UnboundLocalError: local variable 'epoch_logs' referenced before assignment

Process finished with exit code 1
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May I ask the author what caused this mistake? How to solve it? thank you

[nikyim]

@dbbice
you need to update the SDNE object param for n_batch to be less than 154