old_contents: # -*- coding: utf-8 -*-
  from __future__ import absolute_import
  
  __version__ = '0.4.1'
  
  from .formatters import format_as_html, format_html_styles, format_as_text
  from .explain import explain_weights, explain_prediction
  from .sklearn import explain_weights_sklearn, explain_prediction_sklearn
  
  
  try:
      from .ipython import show_weights, show_prediction
  except ImportError:
      pass  # IPython is not installed
  
  
  try:
      from .lightning import (
          explain_prediction_lightning,
          explain_weights_lightning
      )
  except ImportError as e:
      # lightning is not available
      pass
  
  
  try:
      from .sklearn_crfsuite import (
          explain_weights_sklearn_crfsuite
      )
  except ImportError as e:
      # sklearn-crfsuite is not available
      pass
  
  
  try:
      from .xgboost import explain_weights_xgboost
  except ImportError:
      # xgboost is not available
      pass
  
new_contents: # -*- coding: utf-8 -*-
  from __future__ import absolute_import
  
  __version__ = '0.4.1'
  
  from .formatters import format_as_html, format_html_styles, format_as_text
  from .explain import explain_weights, explain_prediction
  from .sklearn import explain_weights_sklearn, explain_prediction_sklearn
  
  
  try:
      from .ipython import show_weights, show_prediction
  except ImportError:
      pass  # IPython is not installed
  
  
  try:
      from .lightning import (
          explain_prediction_lightning,
          explain_weights_lightning
      )
  except ImportError as e:
      # lightning is not available
      pass
  
  
  try:
      from .sklearn_crfsuite import (
          explain_weights_sklearn_crfsuite
      )
  except ImportError as e:
      # sklearn-crfsuite is not available
      pass
  
  
  try:
      from .xgboost import explain_weights_xgboost
  except ImportError:
      # xgboost is not available
      pass
  except Exception as e:
      if e.__class__.__name__ == 'XGBoostLibraryNotFound':
          # improperly installed xgboost
          pass
      else:
          raise
  
subject: Handle improperly installed xgboost. Fixes GH-162.