(self, crash)
return crash.signature in self.__keys
@type  crash: L{Crash}
        @param crash: Crash object.

        @rtype:  bool
        @return: C{True} if the Crash object is in the container.
@type  crash: L{Crash}
        @param crash: Crash object.
@type crash : L { Crash } @param crash : Crash object .
def __contains__(self, crash):
        """
        @type  crash: L{Crash}
        @param crash: Crash object.

        @rtype:  bool
        @return: C{True} if the Crash object is in the container.
        """
        return crash.signature in self.__keys
def __contains__ ( self , crash ) : return crash . signature in self . __keys