parameters: (self, key)
docstring: Callback indicating 'key' has been released.
          See Keyboard() for key information
docstring_summary: Callback indicating 'key' has been released.
          See Keyboard() for key information
docstring_tokens: Callback indicating key has been released . See Keyboard () for key information
function: def KeyboardUp(self, key):
          """
          Callback indicating 'key' has been released.
          See Keyboard() for key information
          """
          pass
function_tokens: def KeyboardUp ( self , key ) : pass