code: def dotted(self):
          " Returns dotted-decimal reperesentation "
          obj = libcrypto.OBJ_nid2obj(self.nid)
          buf = create_string_buffer(256)
          libcrypto.OBJ_obj2txt(buf, 256, obj, 1)
          if pyver == 2:
              return buf.value
          else:
              return buf.value.decode('ascii'f dotted(self):
          " Returns dotted-decimal reperesentation "
          obj = libcrypto.OBJ_nid2obj(self.nid)
          buf = create_string_buffer(256)
          libcrypto.OBJ_obj2txt(buf, 256, obj, 1)
          if pyver == 2:
              return buf.value
          else:
              return buf.value.decode('ascii')
docs: Returns dotted-decimal reperesentation