Fix a pytype error in system_info_lib.
Fix a pytype error in system_info_lib.

This allows us to turn on PY3 for t2t_trainer_xla.

PiperOrigin-RevId: 274979958
Change-Id: I386e05171b44ff93b8dc41943c1a3f7cead297d6

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