是最后一行 model.fit (train_datasets, epochs=num_epochs)，错误提示是这样的：
UnicodeDecodeError Traceback (most recent call last)
in
48 )
49
—> 50 model.fit (train_datasets, epochs=num_epochs)~\Anaconda3\lib\site-packages\tensorflow_core\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_freq, max_queue_size, workers, use_multiprocessing, **kwargs)
817 max_queue_size=max_queue_size,
818 workers=workers,
→ 819 use_multiprocessing=use_multiprocessing)
820
821 def evaluate (self,~\Anaconda3\lib\site-packages\tensorflow_core\python\keras\engine\training_v2.py in fit (self, model, x, y, batch_size, epochs, verbose, callbacks, validation_split, validation_data, shuffle, class_weight, sample_weight, initial_epoch, steps_per_epoch, validation_steps, validation_freq, max_queue_size, workers, use_multiprocessing, **kwargs)
340 mode=ModeKeys.TRAIN,
341 training_context=training_context,
→ 342 total_epochs=epochs)
343 cbks.make_logs (model, epoch_logs, training_result, ModeKeys.TRAIN)
344~\Anaconda3\lib\site-packages\tensorflow_core\python\keras\engine\training_v2.py in run_one_epoch (model, iterator, execution_function, dataset_size, batch_size, strategy, steps_per_epoch, num_samples, mode, training_context, total_epochs)
126 step=step, mode=mode, size=current_batch_size) as batch_logs:
127 try:
→ 128 batch_outs = execution_function (iterator)
129 except (StopIteration, errors.OutOfRangeError):
130 # TODO (kaftan): File bug about tf function and errors.OutOfRangeError?~\Anaconda3\lib\site-packages\tensorflow_core\python\keras\engine\training_v2_utils.py in execution_function (input_fn)
96 #numpytranslates Tensors to values in Eager mode.
97 return nest.map_structure (_non_none_constant_value,
—> 98 distributed_function (input_fn))
99
100 return execution_function~\Anaconda3\lib\site-packages\tensorflow_core\python\eager\def_function.py in call(self, *args, **kwds)
566 xla_context.Exit ()
567 else:
→ 568 result = self._call (*args, **kwds)
569
570 if tracing_count == self._get_tracing_count ():~\Anaconda3\lib\site-packages\tensorflow_core\python\eager\def_function.py in _call (self, *args, **kwds)
630 # Lifting succeeded, so variables are initialized and we can run the
631 # stateless function.
→ 632 return self._stateless_fn (*args, **kwds)
633 else:
634 canon_args, canon_kwds = \~\Anaconda3\lib\site-packages\tensorflow_core\python\eager\function.py in call(self, *args, **kwargs)
2361 with self._lock:
2362 graph_function, args, kwargs = self._maybe_define_function (args, kwargs)
→ 2363 return graph_function._filtered_call (args, kwargs) # pylint: disable=protected-access
2364
2365 @property~\Anaconda3\lib\site-packages\tensorflow_core\python\eager\function.py in _filtered_call (self, args, kwargs)
1609 if isinstance (t, (ops.Tensor,
1610 resource_variable_ops.BaseResourceVariable))),
→ 1611 self.captured_inputs)
1612
1613 def _call_flat (self, args, captured_inputs, cancellation_manager=None):~\Anaconda3\lib\site-packages\tensorflow_core\python\eager\function.py in _call_flat (self, args, captured_inputs, cancellation_manager)
1690 # No tape is watching; skip to running the function.
1691 return self._build_call_outputs (self._inference_function.call (
→ 1692 ctx, args, cancellation_manager=cancellation_manager))
1693 forward_backward = self._select_forward_and_backward_functions (
1694 args,~\Anaconda3\lib\site-packages\tensorflow_core\python\eager\function.py in call (self, ctx, args, cancellation_manager)
543 inputs=args,
544 attrs=(“executor_type”, executor_type, “config_proto”, config),
→ 545 ctx=ctx)
546 else:
547 outputs = execute.execute_with_cancellation (~\Anaconda3\lib\site-packages\tensorflow_core\python\eager\execute.py in quick_execute (op_name, num_outputs, inputs, attrs, ctx, name)
59 tensors = pywrap_tensorflow.TFE_Py_Execute (ctx._handle, device_name,
60 op_name, inputs, attrs,
—> 61 num_outputs)
62 except core._NotOkStatusException as e:
63 if name is not None:UnicodeDecodeError: ‘utf-8’ codec can’t decode byte 0xd5 in position 149: invalid continuation byte