Traceback (most recent call last):


 "<stdin>", line 1, in <module>


 "C:\Other\Python27\python-2.7.10.amd64\lib\site-packages\keras\models.py", line 664, in fit

sample_weight=sample_weight)


 "C:\Other\Python27\python-2.7.10.amd64\lib\site-packages\keras\engine\training.py", line 1115
, in fit

self._make_train_function()


 "C:\Other\Python27\python-2.7.10.amd64\lib\site-packages\keras\engine\training.py", line 720,
in _make_train_function

**self._function_kwargs)


 "C:\Other\Python27\python-2.7.10.amd64\lib\site-packages\keras\backend\theano_backend.py", li
ne 929, in function

return Function(inputs, outputs, updates=updates, **kwargs)


 "C:\Other\Python27\python-2.7.10.amd64\lib\site-packages\keras\backend\theano_backend.py", li
ne 908, in __init__

for v, nv in updates:


 "C:\Other\Python27\python-2.7.10.amd64\lib\site-packages\theano\tensor\var.py", line 584, in
__iter__

raise TypeError(('TensorType does not support iteration. '
TypeError: TensorType does not support iteration. Maybe you are using builtin.sum instead of theano.
tensor.sum? (Maybe .max?)

Traceback (most recent call last):


 "/home/cristian/envs/lyrics/lib/python3.7/site-packages/jina/peapods/pea.py", line 292, in msg_callback

self.zmqlet.send_message(self._callback(msg))


 "/home/cristian/envs/lyrics/lib/python3.7/site-packages/jina/peapods/pea.py", line 266, in _callback

self.pre_hook(msg).handle(msg).post_hook(msg)


 "/home/cristian/envs/lyrics/lib/python3.7/site-packages/jina/peapods/pea.py", line 160, in handle

self.executor(self.request_type)


 "/home/cristian/envs/lyrics/lib/python3.7/site-packages/jina/executors/__init__.py", line 570, in __call__

d()


 "/home/cristian/envs/lyrics/lib/python3.7/site-packages/jina/drivers/__init__.py", line 251, in __call__

self._traverse_apply(self.req.docs, *args, **kwargs)


 "/home/cristian/envs/lyrics/lib/python3.7/site-packages/jina/drivers/__init__.py", line 268, in _traverse_apply

**kwargs,


 "/home/cristian/envs/lyrics/lib/python3.7/site-packages/jina/drivers/__init__.py", line 281, in _traverse_rec

doc.chunks, doc, 'chunks', path[1:], *args, **kwargs


 "/home/cristian/envs/lyrics/lib/python3.7/site-packages/jina/drivers/__init__.py", line 284, in _traverse_rec

self._apply_all(docs, parent_doc, parent_edge_type, *args, **kwargs)


 "/home/cristian/envs/lyrics/lib/python3.7/site-packages/jina/drivers/search.py", line 124, in _apply_all

idx, dist = self.exec_fn(embed_vecs, top_k=int(self.top_k))


 "/home/cristian/envs/lyrics/lib/python3.7/site-packages/jina/executors/indexers/vector.py", line 279, in query

dist = self._euclidean(_keys, self.query_handler)


 "/home/cristian/envs/lyrics/lib/python3.7/site-packages/jina/executors/decorators.py", line 241, in arg_wrapper

for b in batch_iterator(data[:total_size], b_size, split_over_axis, yield_slice=yield_slice):
TypeError: 'NoneType' object is not subscriptable
