theano mlp error

/usr/bin/python3.4 /home/lhk/programming/sk/mlp/mlp/Layer.py
Traceback (most recent call last):
  File "/home/lhk/programming/sk/mlp/mlp/Layer.py", line 109, in <module>
    y: train_set_y[index]
  File "/usr/local/lib/python3.4/dist-packages/theano/compile/function.py", line 266, in function
    profile=profile)
  File "/usr/local/lib/python3.4/dist-packages/theano/compile/pfunc.py", line 489, in pfunc
    no_default_updates=no_default_updates)
  File "/usr/local/lib/python3.4/dist-packages/theano/compile/pfunc.py", line 241, in rebuild_collect_shared
    cloned_v = clone_v_get_shared_updates(outputs, copy_inputs_over)
  File "/usr/local/lib/python3.4/dist-packages/theano/compile/pfunc.py", line 92, in clone_v_get_shared_updates
    clone_a(v.owner, copy_inputs_over)
  File "/usr/local/lib/python3.4/dist-packages/theano/compile/pfunc.py", line 131, in clone_a
    clone_v_get_shared_updates(i, copy_inputs_over)
  File "/usr/local/lib/python3.4/dist-packages/theano/compile/pfunc.py", line 92, in clone_v_get_shared_updates
    clone_a(v.owner, copy_inputs_over)
  File "/usr/local/lib/python3.4/dist-packages/theano/compile/pfunc.py", line 131, in clone_a
    clone_v_get_shared_updates(i, copy_inputs_over)
  File "/usr/local/lib/python3.4/dist-packages/theano/compile/pfunc.py", line 92, in clone_v_get_shared_updates
    clone_a(v.owner, copy_inputs_over)
  File "/usr/local/lib/python3.4/dist-packages/theano/compile/pfunc.py", line 131, in clone_a
    clone_v_get_shared_updates(i, copy_inputs_over)
  File "/usr/local/lib/python3.4/dist-packages/theano/compile/pfunc.py", line 92, in clone_v_get_shared_updates
    clone_a(v.owner, copy_inputs_over)
  File "/usr/local/lib/python3.4/dist-packages/theano/compile/pfunc.py", line 131, in clone_a
    clone_v_get_shared_updates(i, copy_inputs_over)
  File "/usr/local/lib/python3.4/dist-packages/theano/compile/pfunc.py", line 92, in clone_v_get_shared_updates
    clone_a(v.owner, copy_inputs_over)
  File "/usr/local/lib/python3.4/dist-packages/theano/compile/pfunc.py", line 131, in clone_a
    clone_v_get_shared_updates(i, copy_inputs_over)
  File "/usr/local/lib/python3.4/dist-packages/theano/compile/pfunc.py", line 92, in clone_v_get_shared_updates
    clone_a(v.owner, copy_inputs_over)
  File "/usr/local/lib/python3.4/dist-packages/theano/compile/pfunc.py", line 131, in clone_a
    clone_v_get_shared_updates(i, copy_inputs_over)
  File "/usr/local/lib/python3.4/dist-packages/theano/compile/pfunc.py", line 92, in clone_v_get_shared_updates
    clone_a(v.owner, copy_inputs_over)
  File "/usr/local/lib/python3.4/dist-packages/theano/compile/pfunc.py", line 135, in clone_a
    strict=rebuild_strict)
  File "/usr/local/lib/python3.4/dist-packages/theano/gof/graph.py", line 211, in clone_with_new_inputs
    new_inputs[i] = curr.type.filter_variable(new)
  File "/usr/local/lib/python3.4/dist-packages/theano/tensor/type.py", line 218, in filter_variable
    self=self)
TypeError: Cannot convert Type TensorType(int32, scalar) (of Variable Subtensor{int64}.0) into Type TensorType(int32, vector). You can try to manually convert Subtensor{int64}.0 into a TensorType(int32, vector).

Process finished with exit code 1