code: def fso_exists(self, path):
      'overlays os.path.exists()'
      try:
        return self._exists(self.deref(path))
      except os.error:
        return Falsf fso_exists(self, path):
      'overlays os.path.exists()'
      try:
        return self._exists(self.deref(path))
      except os.error:
        return False
docs: overlays os.path.exists()