(self)
return self
Context management protocol.  Returns self (an instance of IOBase).
Context management protocol.  Returns self (an instance of IOBase).
Context management protocol . Returns self ( an instance of IOBase ) .
def __enter__(self):  # That's a forward reference
        """Context management protocol.  Returns self (an instance of IOBase)."""
        self._checkClosed()
        return self
def __enter__ ( self ) : # That's a forward reference self . _checkClosed ( ) return self