code: def valid_version(self) -> bool:
      return self.release_tag in SyftRepo.all_versions()
  
file_path: PySyft/packages/syftcli/syftcli/core/syft_version.py
imports: from functools import cached_property
  from packaging.specifiers import SpecifierSet
  from packaging.specifiers import Version
  from packaging.version import InvalidVersion
  from .syft_repo import SyftRepo
label_desc: Use image node_id 6 for calling the SyftVersion obj's underlying member method code with example usage: obj.valid_version() and returns: unknown