def remove(self, elem):
        """Remove a requirement.

        :param elem: a string or :class:`Requirement` instance.
        """
        if isinstance(elem, text_type):
            for requirement in self:
                if requirement.package == elem:
                    return super(Requirements, self).remove(requirement)
        return super(Requirements, self).remove(elem)
def loginSsh(self):
        self._setupLog()
        self._debugLog("Login in as "+self._loginUser.username)

        try:
            self._loginUser.sendPassword()
            return True
        except Exception as e:
            self.forceCloseCliConnectionTo()
            raise Exception('Exception ('+str(e)+') '+'Expected CLI response: "Password:"' + "\n Got: \n" + self._lastExpect())