При запуске model.fit () я получаю сообщение об ошибке «UnboundLocalError: локальная переменная 'logs'. Я использую модель tf.keras с tenorflow 2.0. Набор данных имеет формат tf.data.Dataset - OrderedDict ([(x, (None, 1)), (y, (None, 1))]), типы: OrderedDict ([(x, tf.float32), (y, tf.float32)]). Код приведен ниже. Основываясь на аналогичных вопросах по Stackoverflow, я даже проверил, не путаю ли tf.keras и keras.
model.fit (train_data, epochs = 1)
---------------------------------------------------------------------------
UnboundLocalError Traceback (most recent call last)
<ipython-input-28-775a093e0b8e> in <module>()
----> 1 model.fit(train_data, epochs=1,validation_data=federated_train_data)
1 frames
/usr/local/lib/python3.6/dist-packages/tensorflow/python/keras/engine/training.py in
_method_wrapper(self, *args, **kwargs)
64 def _method_wrapper(self, *args, **kwargs):
65 if not self._in_multi_worker_mode(): # pylint: disable=protected-access
---> 66 return method(self, *args, **kwargs)
67
68 # Running inside `run_distribute_coordinator` already.
/usr/local/lib/python3.6/dist-packages/tensorflow/python/keras/engine/training.py in
fit(self, x, y, batch_size, epochs, verbose, callbacks, validation_split, validation_data,
shuffle, class_weight, sample_weight, initial_epoch, steps_per_epoch, validation_steps,
validation_batch_size, validation_freq, max_queue_size, workers, use_multiprocessing)
854 logs = tmp_logs # No error, now safe to assign to logs.
855 callbacks.on_train_batch_end(step, logs)
--> 856 epoch_logs = copy.copy(logs)
857
858 # Run validation.
UnboundLocalError: local variable 'logs' referenced before assignment