parameters: (self, expiration)
docstring: Create a timer that expires at `expiration` (UTC datetime)
docstring_summary: Create a timer that expires at `expiration` (UTC datetime)
docstring_tokens: Create a timer that expires at expiration ( UTC datetime )
function: def __init__(self, expiration):
          'Create a timer that expires at `expiration` (UTC datetime)'
          self.expiration = expiration
function_tokens: def __init__ ( self , expiration ) : self . expiration = expiration