Error in step 7. NotFoundError

[hlinkpt]

Testing model on 87070 data rows with 870 steps

---

NotFoundError Traceback (most recent call last) in 11 predictions = model.predict_generator( 12 generator_strip_xy(data_gen_test, true_values), ---> 13 steps=steps_test 14 ) 15

~/anaconda3/envs/JaunkerBot/lib/python3.6/site-packages/keras/legacy/interfaces.py in wrapper(*args, **kwargs) 89 warnings.warn('Update your ' + object_name + ' call to the ' + 90 'Keras 2 API: ' + signature, stacklevel=2) ---> 91 return func(*args, **kwargs) 92 wrapper._original_function = func 93 return wrapper

~/anaconda3/envs/JaunkerBot/lib/python3.6/site-packages/keras/engine/training.py in predict_generator(self, generator, steps, max_queue_size, workers, use_multiprocessing, verbose) 1520 workers=workers, 1521 use_multiprocessing=use_multiprocessing, -> 1522 verbose=verbose)

~/anaconda3/envs/JaunkerBot/lib/python3.6/site-packages/keras/engine/training_generator.py in predict_generator(model, generator, steps, max_queue_size, workers, use_multiprocessing, verbose) 451 x = generator_output 452 --> 453 outs = model.predict_on_batch(x) 454 outs = to_list(outs) 455

~/anaconda3/envs/JaunkerBot/lib/python3.6/site-packages/keras/engine/training.py in predict_on_batch(self, x) 1272 ins = x 1273 self._make_predict_function() -> 1274 outputs = self.predict_function(ins) 1275 return unpack_singleton(outputs) 1276

~/anaconda3/envs/JaunkerBot/lib/python3.6/site-packages/keras/backend/tensorflow_backend.py in call(self, inputs) 2713 return self._legacy_call(inputs) 2714 -> 2715 return self._call(inputs) 2716 else: 2717 if py_any(is_tensor(x) for x in inputs):

~/anaconda3/envs/JaunkerBot/lib/python3.6/site-packages/keras/backend/tensorflow_backend.py in _call(self, inputs) 2669 feed_symbols, 2670 symbol_vals, -> 2671 session) 2672 if self.run_metadata: 2673 fetched = self._callable_fn(*array_vals, run_metadata=self.run_metadata)

~/anaconda3/envs/JaunkerBot/lib/python3.6/site-packages/keras/backend/tensorflow_backend.py in _make_callable(self, feed_arrays, feed_symbols, symbol_vals, session) 2621 callable_opts.run_options.CopyFrom(self.run_options) 2622 # Create callable. -> 2623 callable_fn = session._make_callable_from_options(callable_opts) 2624 # Cache parameters corresponding to the generated callable, so that 2625 # we can detect future mismatches and refresh the callable.

~/anaconda3/envs/JaunkerBot/lib/python3.6/site-packages/tensorflow/python/client/session.py in _make_callable_from_options(self, callable_options) 1469 """ 1470 self._extend_graph() -> 1471 return BaseSession._Callable(self, callable_options) 1472 1473

~/anaconda3/envs/JaunkerBot/lib/python3.6/site-packages/tensorflow/python/client/session.py in init(self, session, callable_options) 1423 with errors.raise_exception_on_not_ok_status() as status: 1424 self._handle = tf_session.TF_SessionMakeCallable( -> 1425 session._session, options_ptr, status) 1426 finally: 1427 tf_session.TF_DeleteBuffer(options_ptr)

~/anaconda3/envs/JaunkerBot/lib/python3.6/site-packages/tensorflow/python/framework/errors_impl.py in exit(self, type_arg, value_arg, traceback_arg) 526 None, None, 527 compat.as_text(c_api.TF_Message(self.status.status)), --> 528 c_api.TF_GetCode(self.status.status)) 529 # Delete the underlying status object from memory otherwise it stays alive 530 # as there is a reference to status from this from the traceback due to

NotFoundError: PruneForTargets: Some target nodes not found: group_deps