code: def testVectorMatrixEmpty(self):
      # yaml
      testFile = "foo: [[[], []]]"
      writeFile(testFile, "testfile")
  
      self.assertComputeFails(YamlInput(filename="testfile"))
      os.remove("testfile")
  
      # json
      testFile = "{ foo: [[[], []]] }"
      writeFile(testFile, "testfile")
  
      self.assertComputeFails(
          YamlInput(filename="testfile", format="json")
      )
      os.remove("testfile")
  
imports: from essentia_test import *
  import os
label_desc: Use image node_id 19 for calling the TestYamlInput obj's underlying member method code with example usage: obj.testVectorMatrixEmpty() without return types