code: def make_lib(self, version):
          
          if os.path.exists(POETRY_LIB_BACKUP):
              shutil.rmtree(POETRY_LIB_BACKUP)
  
          # Backup the current installation
          if os.path.exists(POETRY_LIB):
              shutil.copytree(POETRY_LIB, POETRY_LIB_BACKUP)
              shutil.rmtree(POETRY_LIB)
  
          try:
              self._make_lib(version)
          except Exception:
              if not os.path.exists(POETRY_LIB_BACKUP):
                  raise
  
              shutil.copytree(POETRY_LIB_BACKUP, POETRY_LIB)
              shutil.rmtree(POETRY_LIB_BACKUP)
  
              raise
          finally:
              if os.path.exists(POETRY_LIB_BACKUP):
                  shutil.rmtree(POETRY_LIB_BACKUP)
docs: Packs everything into a single lib/ directory.