Fix the documentation of tf.foldl to not try to fold a scalar.
Fix the documentation of tf.foldl to not try to fold a scalar.

PiperOrigin-RevId: 210928667

aam-at/tensorflow,ppwwyyxx/tensorflow,adit-chandra/tensorflow,kobejean/tensorflow,davidzchen/tensorflow,brchiu/tensorflow,DavidNorman/tensorflow,DavidNorman/tensorflow,xodus7/tensorflow,girving/tensorflow,snnn/tensorflow,dongjoon-hyun/tensorflow,xodus7/tensorflow,karllessard/tensorflow,tensorflow/tensorflow,gautam1858/tensorflow,petewarden/tensorflow,dancingdan/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,seanli9jan/tensorflow,girving/tensorflow,sarvex/tensorflow,asimshankar/tensorflow,brchiu/tensorflow,arborh/tensorflow,ageron/tensorflow,kevin-coder/tensorflow-fork,aam-at/tensorflow,gautam1858/tensorflow,kobejean/tensorflow,snnn/tensorflow,arborh/tensorflow,davidzchen/tensorflow,kobejean/tensorflow,frreiss/tensorflow-fred,DavidNorman/tensorflow,dongjoon-hyun/tensorflow,AnishShah/tensorflow,jhseu/tensorflow,aldian/tensorflow,arborh/tensorflow,Bismarrck/tensorflow,arborh/tensorflow,aldian/tensorflow,frreiss/tensorflow-fred,gautam1858/tensorflow,sarvex/tensorflow,davidzchen/tensorflow,adit-chandra/tensorflow,jbedorf/tensorflow,dancingdan/tensorflow,gautam1858/tensorflow,karllessard/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,tensorflow/tensorflow-experimental_link_static_libraries_once,kevin-coder/tensorflow-fork,ppwwyyxx/tensorflow,freedomtan/tensorflow,jendap/tensorflow,Bismarrck/tensorflow,paolodedios/tensorflow,sarvex/tensorflow,ppwwyyxx/tensorflow,tensorflow/tensorflow-pywrap_saved_model,freedomtan/tensorflow,kevin-coder/tensorflow-fork,jbedorf/tensorflow,dancingdan/tensorflow,DavidNorman/tensorflow,tensorflow/tensorflow,snnn/tensorflow,jbedorf/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,frreiss/tensorflow-fred,yongtang/tensorflow,alshedivat/tensorflow,ghchinoy/tensorflow,hehongliang/tensorflow,Bismarrck/tensorflow,chemelnucfin/tensorflow,Intel-tensorflow/tensorflow,chemelnucfin/tensorflow,alsrgv/tensorflow,kobejean/tensorflow,karllessard/tensorflow,karllessard/tensorflow,Intel-Corporation/tensorflow,aam-at/tensorflow,seanli9jan/tensorflow,yongtang/tensorflow,arborh/tensorflow,chemelnucfin/tensorflow,tensorflow/tensorflow-pywrap_saved_model,theflofly/tensorflow,freedomtan/tensorflow,xodus7/tensorflow,hfp/tensorflow-xsmm,jhseu/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,hfp/tensorflow-xsmm,aam-at/tensorflow,sarvex/tensorflow,Bismarrck/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,annarev/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,jhseu/tensorflow,frreiss/tensorflow-fred,ppwwyyxx/tensorflow,arborh/tensorflow,gautam1858/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,Intel-Corporation/tensorflow,jhseu/tensorflow,ppwwyyxx/tensorflow,chemelnucfin/tensorflow,alsrgv/tensorflow,hehongliang/tensorflow,apark263/tensorflow,ageron/tensorflow,paolodedios/tensorflow,gunan/tensorflow,dongjoon-hyun/tensorflow,tensorflow/tensorflow,jhseu/tensorflow,jbedorf/tensorflow,annarev/tensorflow,freedomtan/tensorflow,ageron/tensorflow,asimshankar/tensorflow,frreiss/tensorflow-fred,dancingdan/tensorflow,kevin-coder/tensorflow-fork,girving/tensorflow,arborh/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,petewarden/tensorflow,davidzchen/tensorflow,freedomtan/tensorflow,xodus7/tensorflow,alsrgv/tensorflow,apark263/tensorflow,apark263/tensorflow,alshedivat/tensorflow,chemelnucfin/tensorflow,aldian/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,davidzchen/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,DavidNorman/tensorflow,hehongliang/tensorflow,sarvex/tensorflow,Intel-Corporation/tensorflow,asimshankar/tensorflow,DavidNorman/tensorflow,Intel-tensorflow/tensorflow,alsrgv/tensorflow,DavidNorman/tensorflow,girving/tensorflow,aam-at/tensorflow,ageron/tensorflow,apark263/tensorflow,chemelnucfin/tensorflow,girving/tensorflow,jbedorf/tensorflow,snnn/tensorflow,snnn/tensorflow,dancingdan/tensorflow,yongtang/tensorflow,theflofly/tensorflow,chemelnucfin/tensorflow,davidzchen/tensorflow,gautam1858/tensorflow,hfp/tensorflow-xsmm,xodus7/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,apark263/tensorflow,asimshankar/tensorflow,freedomtan/tensorflow,cxxgtxy/tensorflow,paolodedios/tensorflow,karllessard/tensorflow,paolodedios/tensorflow,renyi533/tensorflow,jbedorf/tensorflow,annarev/tensorflow,adit-chandra/tensorflow,seanli9jan/tensorflow,seanli9jan/tensorflow,tensorflow/tensorflow-pywrap_saved_model,gautam1858/tensorflow,aam-at/tensorflow,paolodedios/tensorflow,Intel-Corporation/tensorflow,jendap/tensorflow,apark263/tensorflow,snnn/tensorflow,Bismarrck/tensorflow,aldian/tensorflow,ghchinoy/tensorflow,cxxgtxy/tensorflow,hehongliang/tensorflow,theflofly/tensorflow,xodus7/tensorflow,dongjoon-hyun/tensorflow,aam-at/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,aam-at/tensorflow,dongjoon-hyun/tensorflow,seanli9jan/tensorflow,frreiss/tensorflow-fred,karllessard/tensorflow,petewarden/tensorflow,kobejean/tensorflow,xzturn/tensorflow,chemelnucfin/tensorfl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