我构建了一个简单的 CNN 模型，它引发了以下错误：
Epoch 1/10
235/235 [==============================] - ETA: 0s - loss: 540.2643 - accuracy: 0.4358
---------------------------------------------------------------------------
InvalidArgumentError Traceback (most recent call last)
<ipython-input-14-ab88232c98aa> in <module>()
15 train_ds,
16 validation_data=val_ds,
---> 17 epochs=epochs
18 )
7 frames
/usr/local/lib/python3.7/dist-packages/tensorflow/python/eager/execute.py in quick_execute(op_name, num_outputs, inputs, attrs, ctx, name)
58 ctx.ensure_initialized()
59 tensors = pywrap_tfe.TFE_Py_Execute(ctx._handle, device_name, op_name,
---> 60 inputs, attrs, num_outputs)
61 except core._NotOkStatusException as e:
62 if name is not None:
InvalidArgumentError: Unknown image file format. One of JPEG, PNG, GIF, BMP …