old_contents: # Copyright (c) 2016, Samantha Marshall (http://pewpewthespells.com)
  # All rights reserved.
  #
  # https://github.com/samdmarshall/pylocalizer
  #
  # Redistribution and use in source and binary forms, with or without modification,
  # are permitted provided that the following conditions are met:
  #
  # 1. Redistributions of source code must retain the above copyright notice, this
  # list of conditions and the following disclaimer.
  #
  # 2. Redistributions in binary form must reproduce the above copyright notice,
  # this list of conditions and the following disclaimer in the documentation and/or
  # other materials provided with the distribution.
  #
  # 3. Neither the name of Samantha Marshall nor the names of its contributors may
  # be used to endorse or promote products derived from this software without
  # specific prior written permission.
  #
  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  # IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  # INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  # LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  # OF THE POSSIBILITY OF SUCH DAMAGE.
  
  # Original code taken from http://code.activestate.com/recipes/410692/
  
  class Switch(object):
      def __init__(self, value):
          self.value = value
          self.fall = False
  
      def __iter__(self):
          """Return the match method once, then stop"""
          yield self.match
          raise StopIteration # pragma: no cover
  
      def match(self, *args):
          """Indicate whether or not to enter a case suite"""
          result = False
          if self.fall or not args:
              result = True
          elif self.value in args: # changed for v1.5, see below
              self.fall = True
              result = True
          return result
  
new_contents: # Copyright (c) 2016, Samantha Marshall (http://pewpewthespells.com)
  # All rights reserved.
  #
  # https://github.com/samdmarshall/pylocalizer
  #
  # Redistribution and use in source and binary forms, with or without modification,
  # are permitted provided that the following conditions are met:
  #
  # 1. Redistributions of source code must retain the above copyright notice, this
  # list of conditions and the following disclaimer.
  #
  # 2. Redistributions in binary form must reproduce the above copyright notice,
  # this list of conditions and the following disclaimer in the documentation and/or
  # other materials provided with the distribution.
  #
  # 3. Neither the name of Samantha Marshall nor the names of its contributors may
  # be used to endorse or promote products derived from this software without
  # specific prior written permission.
  #
  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  # IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  # INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  # LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  # OF THE POSSIBILITY OF SUCH DAMAGE.
  
  # Original code taken from http://code.activestate.com/recipes/410692/
  
  class Switch(object):
      def __init__(self, value):
          self.value = value
          self.fall = False
  
      def __iter__(self):
          """Return the match method once, then stop"""
          yield self.match
  
      def match(self, *args):
          """Indicate whether or not to enter a case suite"""
          result = False
          if self.fall or not args:
              result = True
          elif self.value in args: # changed for v1.5, see below
              self.fall = True
              result = True
          return result
  
subject: Fix Python 3.7 compatibility