old_contents: import uuid
  import collections
  import six
  
  
  def interpolate_str(template, **data):
      s = template
      for k, v in data.items():
          key = '{%' + k + '%}'
          s = s.replace(key, v)
      return s
  
  
  def format_tag(tag_name, attributes, inner='', closed=False, opened=False):
      tag = '<{tag} {attributes}'
      if closed:
          tag += '/>'
      elif opened:
          tag += '>'
      else:
          tag += '>' + inner + '</{tag}>'
      return tag.format(
          tag=tag_name,
          attributes=' '.join([
              '{}="{}"'.format(k, v) for k, v in attributes.items()]))
  
  
  def generate_hash():
      return str(uuid.uuid4().hex).strip('-')
  
  
  def get_asset_path(
          requests_pathname,
          asset_path,
          asset_url_path):
  
      return '/'.join([
          # Only take the first part of the pathname
          requests_pathname.rstrip('/'),
          asset_url_path,
          asset_path
      ])
  
  
  def patch_collections_abc(member):
      if six.PY2:
          return getattr(collections, member)
      return getattr(collections.abc, member)
  
  
  class AttributeDict(dict):
      """
      Dictionary subclass enabling attribute lookup/assignment of keys/values.
  
      For example::
          >>> m = AttributeDict({'foo': 'bar'})
          >>> m.foo
          'bar'
          >>> m.foo = 'not bar'
          >>> m['foo']
          'not bar'
      ``AttributeDict`` objects also provide ``.first()`` which acts like
      ``.get()`` but accepts multiple keys as arguments, and returns the value of
      the first hit, e.g.::
          >>> m = AttributeDict({'foo': 'bar', 'biz': 'baz'})
          >>> m.first('wrong', 'incorrect', 'foo', 'biz')
          'bar'
      """
  
      def __setattr__(self, key, value):
          self[key] = value
  
      def __getattr__(self, key):
          try:
              return self[key]
          except KeyError:
              # to conform with __getattr__ spec
              raise AttributeError(key)
  
      # pylint: disable=inconsistent-return-statements
      def first(self, *names):
          for name in names:
              value = self.get(name)
              if value:
                  return value
  
new_contents: import uuid
  import collections
  import six
  
  
  def interpolate_str(template, **data):
      s = template
      for k, v in data.items():
          key = '{%' + k + '%}'
          s = s.replace(key, v)
      return s
  
  
  def format_tag(tag_name, attributes, inner='', closed=False, opened=False):
      tag = '<{tag} {attributes}'
      if closed:
          tag += '/>'
      elif opened:
          tag += '>'
      else:
          tag += '>' + inner + '</{tag}>'
      return tag.format(
          tag=tag_name,
          attributes=' '.join([
              '{}="{}"'.format(k, v) for k, v in attributes.items()]))
  
  
  def generate_hash():
      return str(uuid.uuid4().hex).strip('-')
  
  
  def get_asset_path(
          requests_pathname,
          asset_path,
          asset_url_path):
  
      return '/'.join([
          # Only take the first part of the pathname
          requests_pathname.rstrip('/'),
          asset_url_path,
          asset_path
      ])
  
  
  # pylint: disable=no-member
  def patch_collections_abc(member):
      if six.PY2:
          return getattr(collections, member)
      return getattr(collections.abc, member)
  
  
  class AttributeDict(dict):
      """
      Dictionary subclass enabling attribute lookup/assignment of keys/values.
  
      For example::
          >>> m = AttributeDict({'foo': 'bar'})
          >>> m.foo
          'bar'
          >>> m.foo = 'not bar'
          >>> m['foo']
          'not bar'
      ``AttributeDict`` objects also provide ``.first()`` which acts like
      ``.get()`` but accepts multiple keys as arguments, and returns the value of
      the first hit, e.g.::
          >>> m = AttributeDict({'foo': 'bar', 'biz': 'baz'})
          >>> m.first('wrong', 'incorrect', 'foo', 'biz')
          'bar'
      """
  
      def __setattr__(self, key, value):
          self[key] = value
  
      def __getattr__(self, key):
          try:
              return self[key]
          except KeyError:
              # to conform with __getattr__ spec
              raise AttributeError(key)
  
      # pylint: disable=inconsistent-return-statements
      def first(self, *names):
          for name in names:
              value = self.get(name)
              if value:
                  return value
  
subject: Fix (no-member)