Fix failing test in python 3 where by default byte (instead of string) is used
Fix failing test in python 3 where by default byte (instead of string) is used

Signed-off-by: Yong Tang <765086fe2e0c1f980161f127fec596800f327f62@outlook.com>

gautam1858/tensorflow,aam-at/tensorflow,aam-at/tensorflow,ppwwyyxx/tensorflow,frreiss/tensorflow-fred,adit-chandra/tensorflow,tensorflow/tensorflow-pywrap_saved_model,adit-chandra/tensorflow,cxxgtxy/tensorflow,gunan/tensorflow,tensorflow/tensorflow-pywrap_saved_model,tensorflow/tensorflow,frreiss/tensorflow-fred,chemelnucfin/tensorflow,davidzchen/tensorflow,karllessard/tensorflow,Intel-tensorflow/tensorflow,tensorflow/tensorflow-pywrap_saved_model,gunan/tensorflow,DavidNorman/tensorflow,annarev/tensorflow,Intel-Corporation/tensorflow,freedomtan/tensorflow,karllessard/tensorflow,ppwwyyxx/tensorflow,sarvex/tensorflow,adit-chandra/tensorflow,ppwwyyxx/tensorflow,davidzchen/tensorflow,xzturn/tensorflow,arborh/tensorflow,gautam1858/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,annarev/tensorflow,ppwwyyxx/tensorflow,Intel-Corporation/tensorflow,jhseu/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,tensorflow/tensorflow-pywrap_tf_optimizer,paolodedios/tensorflow,frreiss/tensorflow-fred,renyi533/tensorflow,aldian/tensorflow,aam-at/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,paolodedios/tensorflow,Intel-tensorflow/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,renyi533/tensorflow,aldian/tensorflow,jhseu/tensorflow,freedomtan/tensorflow,gunan/tensorflow,chemelnucfin/tensorflow,jhseu/tensorflow,tensorflow/tensorflow,tensorflow/tensorflow-pywrap_saved_model,sarvex/tensorflow,chemelnucfin/tensorflow,gautam1858/tensorflow,gunan/tensorflow,annarev/tensorflow,davidzchen/tensorflow,yongtang/tensorflow,adit-chandra/tensorflow,Intel-Corporation/tensorflow,xzturn/tensorflow,sarvex/tensorflow,ppwwyyxx/tensorflow,Intel-tensorflow/tensorflow,frreiss/tensorflow-fred,adit-chandra/tensorflow,renyi533/tensorflow,xzturn/tensorflow,petewarden/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,ppwwyyxx/tensorflow,xzturn/tensorflow,adit-chandra/tensorflow,chemelnucfin/tensorflow,paolodedios/tensorflow,paolodedios/tensorflow,paolodedios/tensorflow,karllessard/tensorflow,arborh/tensorflow,yongtang/tensorflow,DavidNorman/tensorflow,jhseu/tensorflow,xzturn/tensorflow,renyi533/tensorflow,davidzchen/tensorflow,davidzchen/tensorflow,paolodedios/tensorflow,gautam1858/tensorflow,tensorflow/tensorflow,karllessard/tensorflow,sarvex/tensorflow,arborh/tensorflow,yongtang/tensorflow,aldian/tensorflow,annarev/tensorflow,cxxgtxy/tensorflow,aam-at/tensorflow,renyi533/tensorflow,Intel-tensorflow/tensorflow,DavidNorman/tensorflow,petewarden/tensorflow,yongtang/tensorflow,Intel-Corporation/tensorflow,ppwwyyxx/tensorflow,paolodedios/tensorflow,tensorflow/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,sarvex/tensorflow,tensorflow/tensorflow-pywrap_saved_model,adit-chandra/tensorflow,gunan/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,aldian/tensorflow,Intel-tensorflow/tensorflow,frreiss/tensorflow-fred,gautam1858/tensorflow,Intel-tensorflow/tensorflow,gautam1858/tensorflow,xzturn/tensorflow,paolodedios/tensorflow,tensorflow/tensorflow,arborh/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,tensorflow/tensorflow-pywrap_tf_optimizer,freedomtan/tensorflow,frreiss/tensorflow-fred,davidzchen/tensorflow,xzturn/tensorflow,aam-at/tensorflow,aam-at/tensorflow,jhseu/tensorflow,renyi533/tensorflow,renyi533/tensorflow,DavidNorman/tensorflow,yongtang/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,DavidNorman/tensorflow,DavidNorman/tensorflow,adit-chandra/tensorflow,yongtang/tensorflow,petewarden/tensorflow,ppwwyyxx/tensorflow,chemelnucfin/tensorflow,petewarden/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,annarev/tensorflow,renyi533/tensorflow,chemelnucfin/tensorflow,aldian/tensorflow,jhseu/tensorflow,aam-at/tensorflow,freedomtan/tensorflow,xzturn/tensorflow,frreiss/tensorflow-fred,renyi533/tensorflow,petewarden/tensorflow,xzturn/tensorflow,arborh/tensorflow,tensorflow/tensorflow,petewarden/tensorflow,aam-at/tensorflow,Intel-tensorflow/tensorflow,aam-at/tensorflow,tensorflow/tensorflow-pywrap_saved_model,annarev/tensorflow,chemelnucfin/tensorflow,arborh/tensorflow,tensorflow/tensorflow-pywrap_saved_model,tensorflow/tensorflow,gautam1858/tensorflow,frreiss/tensorflow-fred,paolodedios/tensorflow,cxxgtxy/tensorflow,chemelnucfin/tensorflow,karllessard/tensorflow,adit-chandra/tensorflow,xzturn/tensorflow,petewarden/tensorflow,tensorflow/tensorflow,arborh/tensorflow,Intel-tensorflow/tensorflow,yongtang/tensorflow,ppwwyyxx/tensorflow,gunan/tensorflow,ppwwyyxx/tensorflow,petewarden/tensorflow,freedomtan/tensorflow,tensorflow/tensorflow-pywrap_saved_model,jhseu/tensorflow,davidzchen/tensorflow,jhseu/tensorflow,freedomtan/tensorflow,adit-chandra/tensorflow,jhseu/tensorflow,annarev/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,jhseu/tensorflow,yongtang/tensorflow,tensorflow/tensorflow-pywrap_saved_model,freedomtan/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,frreiss/tensorflow-fred,DavidNorman/tensorflow,aldian/tensorflow,petewarden/tensorflow,yongtang/tensorflow,davidzchen/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,chemelnucfin/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,gunan/tensorflow,gunan/tensorflow,jhseu/tensorflow,gautam1858/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,aam-at/tensorflow,petewarden/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,tensorflow/tensorflow-experimental_link_static_libraries_once,freedomtan/tensorflow,cxxgtxy/tensorflow,petewarden/tensorflow,freedomtan/tensorflow,karllessard/tensorflow,arborh/tensorflow,tensorflow/tensorflow,annarev/tensorflow,gunan/tensorflow,frreiss/tensorflow-fred,yongtang/tensorflow,karllessard/tensorflow,paolodedios/tensorflow,tensorflow/tensorflow,xzturn/tensorflow,ppwwyyxx/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,tensorflow/tensorflow-pywrap_saved_model,cxxgtxy/tensorflow,arborh/tensorflow,chemelnucfin/tensorflow,cxxgtxy/tensorflow,freedomtan/tensorflow,karllessard/tensorflow,gunan/tensorflow,aldian/tensorflow,frreiss/tensorflow-fred,annarev/tensorflow,freedomtan/tensorflow,DavidNorman/tensorflow,DavidNorman/tensorflow,petewarden/tensorflow,Intel-Corporation/tensorflow,renyi533/tensorflow,arborh/tensorflow,Intel-tensorflow/tensorflow,cxxgtxy/tensorflow,chemelnucfin/tensorflow,gautam1858/tensorflow,DavidNorman/tensorflow,aldian/tensorflow,paolodedios/tensorflow,sarvex/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,sarvex/tensorflow,karllessard/tensorflow,freedomtan/tensorflow,jhseu/tensorflow,karllessard/tensorflow,gautam1858/tensorflow,gautam1858/tensorflow,davidzchen/tensorflow,annarev/tensorflow,aam-at/tensorflow,adit-chandra/tensorflow,chemelnucfin/tensorflow,frreiss/tensorflow-fred,arborh/tensorflow,aam-at/tensorflow,Intel-Corporation/tensorflow,gunan/tensorflow,renyi533/tensorflow,DavidNorman/tensorflow,ppwwyyxx/tensorflow,karllessard/tensorflow,Intel-Corporation/tensorflow,DavidNorman/tensorflow,cxxgtxy/tensorflow,renyi533/tensorflow,annarev/tensorflow,davidzchen/tensorflow,gautam1858/tensorflow,davidzchen/tensorflow,sarvex/tensorflow,xzturn/tensorflow,adit-chandra/tensorflow,tensorflow/tensorflow-pywrap_saved_model,Intel-tensorflow/tensorflow,Intel-tensorflow/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,arborh/tensorflow,Intel-Corporation/tensorflow,yongtang/tensorflow,davidzchen/tensorflow,gunan/tensorflow,tensorflow/tensorflow