eroor while running conversation.py

[sheenNapoleon]

Traceback (most recent call last):
File "D:\Seq2seq-Chatbot-for-Keras-master\conversation.py", line 151, in
out = Dense(dictionary_size/2, activation="relu", name='relu-activation')(merge_layer)
File "C:\Users\sheen\AppData\Local\Programs\Python\Python36\lib\site-packages\keras\engine\base_layer.py", line 431, in call
self.build(unpack_singleton(input_shapes))
File "C:\Users\sheen\AppData\Local\Programs\Python\Python36\lib\site-packages\keras\layers\core.py", line 866, in build
constraint=self.kernel_constraint)
File "C:\Users\sheen\AppData\Local\Programs\Python\Python36\lib\site-packages\keras\legacy\interfaces.py", line 91, in wrapper
return func(*args, **kwargs)
File "C:\Users\sheen\AppData\Local\Programs\Python\Python36\lib\site-packages\keras\engine\base_layer.py", line 249, in add_weight
weight = K.variable(initializer(shape),
File "C:\Users\sheen\AppData\Local\Programs\Python\Python36\lib\site-packages\keras\initializers.py", line 218, in call
dtype=dtype, seed=self.seed)
File "C:\Users\sheen\AppData\Local\Programs\Python\Python36\lib\site-packages\keras\backend\tensorflow_backend.py", line 4139, in random_uniform
dtype=dtype, seed=seed)
File "C:\Users\sheen\AppData\Local\Programs\Python\Python36\lib\site-packages\tensorflow\python\ops\random_ops.py", line 244, in random_uniform
shape, dtype, seed=seed1, seed2=seed2)
File "C:\Users\sheen\AppData\Local\Programs\Python\Python36\lib\site-packages\tensorflow\python\ops\gen_random_ops.py", line 473, in _random_uniform
name=name)
File "C:\Users\sheen\AppData\Local\Programs\Python\Python36\lib\site-packages\tensorflow\python\framework\op_def_library.py", line 609, in _apply_op_helper
param_name=input_name)
File "C:\Users\sheen\AppData\Local\Programs\Python\Python36\lib\site-packages\tensorflow\python\framework\op_def_library.py", line 60, in _SatisfiesTypeConstraint
", ".join(dtypes.as_dtype(x).name for x in allowed_list)))
TypeError: Value passed to parameter 'shape' has DataType float32 not in list of allowed values: int32, int64

[TuanHAnhVN]

I think you should change backend of keras to theano. by the following solution:
import os
os.environ['KERAS_BACKEND'] = 'theano'