code: def get_paths(self, key):
          ''' Retrieve a set of environment paths from the config
  
          Parameters:
              key (str):
                  The section name to grab from the environment
  
          Returns:
              self.environ[newkey] (OrderedDict):
                  An ordered dict containing all of the paths from the
                  specified section, as key:val = name:path
          '''
          newkey = key if key in self.environ else key.upper() if key.upper() \
              in self.environ else None
          if newkey:
              return self.environ[newkey]
          else:
              raise KeyError('Key {0} not found in tree environment'.format(key)f get_paths(self, key):
          ''' Retrieve a set of environment paths from the config
  
          Parameters:
              key (str):
                  The section name to grab from the environment
  
          Returns:
              self.environ[newkey] (OrderedDict):
                  An ordered dict containing all of the paths from the
                  specified section, as key:val = name:path
          '''
          newkey = key if key in self.environ else key.upper() if key.upper() \
              in self.environ else None
          if newkey:
              return self.environ[newkey]
          else:
              raise KeyError('Key {0} not found in tree environment'.format(key))
docs: Retrieve a set of environment paths from the config
  
          Parameters:
              key (str):
                  The section name to grab from the environment
  
          Returns:
              self.environ[newkey] (OrderedDict):
                  An ordered dict containing all of the paths from the
                  specified section, as key:val = name:path