text: # Copyright 2021 Neuron-AI GitHub Authors. All Rights Reserved.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  # ==============================================================================
  
  class DimensionsError(Exception):
  	"""Raised when wrong dimensions appear in data."""
  	...
  
  class UntrainedModelError(Exception):
  	"""Raised when model has model.predict() called but has not yet been trained with model.fit()."""
  	...
  