code: def testCreationFromGenerator(self):
      self.assertEqual(
          str(proto_diff.ProtoPath(a for a in "abc")), "a.b.c"
      )
  
imports: from absl.testing import absltest
  from pysc2.lib import proto_diff
  from s2clientprotocol import sc2api_pb2
  from s2clientprotocol import score_pb2
label_desc: Use image node_id 3 for calling the ProtoPathTest obj's underlying member method code with example usage: obj.testCreationFromGenerator() without return types