def load(self, filename, create_if_missing=True):
        filename = Path(filename)
        if not filename.exists() and create_if_missing:
            self.load_pip_requirements()
            with filename.open("w") as f:
                f.write(yaml.dump(self.serialized, default_flow_style=False,
                                  encoding=None))
            self.filename = filename
            return self.save(filename)
        with filename.open() as f:
            for group, requirements in yaml.load(f.read()).items():
                for requirement in requirements:
                    self[group].add(Requirement.coerce(requirement))
        self.filename = filename
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())