original_docstring: 
          Force each username to lowercase and compare them. Can be overridden if
          the service has case sensitive usernames.
          
docstring: Force each username to lowercase and compare them. Can be overridden if
  the service has case sensitive usernames.
docstring_tokens: Force each username to lowercase and compare them . Can be overridden if the service has case sensitive usernames .
code: def username_eq(self, u1, u2):
          """
          Force each username to lowercase and compare them. Can be overridden if
          the service has case sensitive usernames.
          """
          return casefold(u1) == casefold(u2)
code_tokens: def username_eq ( self , u1 , u2 ) : return casefold ( u1 ) == casefold ( u2 )
short_docstring: Force each username to lowercase and compare them.
short_docstring_tokens: Force each username to lowercase and compare them .
comment: """
          Force each username to lowercase and compare them. Can be overridden if
          the service has case sensitive usernames.
          """