Fix lack of `sess` attr in TensorBoard V1 callback.
Fix lack of `sess` attr in TensorBoard V1 callback.

Fixes https://github.com/tensorflow/tensorboard/issues/1666

PiperOrigin-RevId: 236684065

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