train.py error

[WhuRan]

File "train.py", line 135, in
g = Graph("train")
File "train.py", line 22, in init
self.decoder_input = tf.concat((tf.ones_like(self.outpt[:, :1])*2, self.outpt[:, :-1]), -1)
File "/home/wr/anaconda2/lib/python2.7/site-packages/tensorflow/python/ops/array_ops.py", line 1075, in concat
dtype=dtypes.int32).get_shape(
File "/home/wr/anaconda2/lib/python2.7/site-packages/tensorflow/python/framework/ops.py", line 669, in convert_to_tensor
ret = conversion_func(value, dtype=dtype, name=name, as_ref=as_ref)
File "/home/wr/anaconda2/lib/python2.7/site-packages/tensorflow/python/ops/array_ops.py", line 836, in _autopacking_conversion_function
return _autopacking_helper(v, inferred_dtype, name or "packed")
File "/home/wr/anaconda2/lib/python2.7/site-packages/tensorflow/python/ops/array_ops.py", line 799, in _autopacking_helper
return gen_array_ops._pack(elems_as_tensors, name=scope)
File "/home/wr/anaconda2/lib/python2.7/site-packages/tensorflow/python/ops/gen_array_ops.py", line 1975, in _pack
result = _op_def_lib.apply_op("Pack", values=values, axis=axis, name=name)
File "/home/wr/anaconda2/lib/python2.7/site-packages/tensorflow/python/framework/op_def_library.py", line 759, in apply_op
op_def=op_def)
File "/home/wr/anaconda2/lib/python2.7/site-packages/tensorflow/python/framework/ops.py", line 2242, in create_op
set_shapes_for_outputs(ret)
File "/home/wr/anaconda2/lib/python2.7/site-packages/tensorflow/python/framework/ops.py", line 1617, in set_shapes_for_outputs
shapes = shape_func(op)
File "/home/wr/anaconda2/lib/python2.7/site-packages/tensorflow/python/framework/ops.py", line 1568, in call_with_requiring
return call_cpp_shape_fn(op, require_shape_fn=True)
File "/home/wr/anaconda2/lib/python2.7/site-packages/tensorflow/python/framework/common_shapes.py", line 610, in call_cpp_shape_fn
debug_python_shape_fn, require_shape_fn)
File "/home/wr/anaconda2/lib/python2.7/site-packages/tensorflow/python/framework/common_shapes.py", line 675, in _call_cpp_shape_fn_impl
raise ValueError(err.message)
ValueError: Dimension 1 in both shapes must be equal, but are 1 and 9
From merging shape 0 with other shapes. for 'concat/concat_dim' (op: 'Pack') with input shapes: [32,1], [32,9]