Improves error messaging for bad (empty) CSV files.
Improves error messaging for bad (empty) CSV files.

PiperOrigin-RevId: 193404804

jendap/tensorflow,renyi533/tensorflow,petewarden/tensorflow,gautam1858/tensorflow,ppwwyyxx/tensorflow,benoitsteiner/tensorflow-xsmm,dancingdan/tensorflow,cxxgtxy/tensorflow,ageron/tensorflow,aldian/tensorflow,Intel-tensorflow/tensorflow,seanli9jan/tensorflow,jart/tensorflow,drpngx/tensorflow,aselle/tensorflow,davidzchen/tensorflow,tensorflow/tensorflow,theflofly/tensorflow,dongjoon-hyun/tensorflow,dendisuhubdy/tensorflow,dongjoon-hyun/tensorflow,arborh/tensorflow,cxxgtxy/tensorflow,hfp/tensorflow-xsmm,xodus7/tensorflow,adit-chandra/tensorflow,tensorflow/tensorflow,jalexvig/tensorflow,theflofly/tensorflow,kevin-coder/tensorflow-fork,jart/tensorflow,yongtang/tensorflow,dendisuhubdy/tensorflow,jhseu/tensorflow,sarvex/tensorflow,theflofly/tensorflow,frreiss/tensorflow-fred,frreiss/tensorflow-fred,jbedorf/tensorflow,alshedivat/tensorflow,arborh/tensorflow,Intel-tensorflow/tensorflow,annarev/tensorflow,drpngx/tensorflow,alsrgv/tensorflow,davidzchen/tensorflow,yongtang/tensorflow,jhseu/tensorflow,aldian/tensorflow,cxxgtxy/tensorflow,freedomtan/tensorflow,AnishShah/tensorflow,kevin-coder/tensorflow-fork,arborh/tensorflow,xodus7/tensorflow,dancingdan/tensorflow,renyi533/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,yanchen036/tensorflow,meteorcloudy/tensorflow,nburn42/tensorflow,jhseu/tensorflow,dancingdan/tensorflow,annarev/tensorflow,nburn42/tensorflow,ppwwyyxx/tensorflow,chemelnucfin/tensorflow,jendap/tensorflow,dendisuhubdy/tensorflow,gojira/tensorflow,frreiss/tensorflow-fred,Bismarrck/tensorflow,theflofly/tensorflow,adit-chandra/tensorflow,theflofly/tensorflow,dancingdan/tensorflow,lukeiwanski/tensorflow,brchiu/tensorflow,ZhangXinNan/tensorflow,DavidNorman/tensorflow,xodus7/tensorflow,girving/tensorflow,xzturn/tensorflow,aldian/tensorflow,manipopopo/tensorflow,jart/tensorflow,aselle/tensorflow,karllessard/tensorflow,jhseu/tensorflow,snnn/tensorflow,gojira/tensorflow,brchiu/tensorflow,ppwwyyxx/tensorflow,lukeiwanski/tensorflow,chemelnucfin/tensorflow,alshedivat/tensorflow,yanchen036/tensorflow,ZhangXinNan/tensorflow,Intel-tensorflow/tensorflow,arborh/tensorflow,hfp/tensorflow-xsmm,ZhangXinNan/tensorflow,apark263/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,tensorflow/tensorflow-experimental_link_static_libraries_once,alshedivat/tensorflow,tensorflow/tensorflow,ppwwyyxx/tensorflow,nburn42/tensorflow,ghchinoy/tensorflow,xzturn/tensorflow,AnishShah/tensorflow,sarvex/tensorflow,manipopopo/tensorflow,ghchinoy/tensorflow,girving/tensorflow,renyi533/tensorflow,nburn42/tensorflow,aam-at/tensorflow,jhseu/tensorflow,Bismarrck/tensorflow,dendisuhubdy/tensorflow,gautam1858/tensorflow,gautam1858/tensorflow,jbedorf/tensorflow,ghchinoy/tensorflow,freedomtan/tensorflow,yongtang/tensorflow,apark263/tensorflow,Intel-Corporation/tensorflow,davidzchen/tensorflow,jhseu/tensorflow,dongjoon-hyun/tensorflow,karllessard/tensorflow,chemelnucfin/tensorflow,freedomtan/tensorflow,nburn42/tensorflow,yanchen036/tensorflow,sarvex/tensorflow,alshedivat/tensorflow,gunan/tensorflow,cxxgtxy/tensorflow,tensorflow/tensorflow,tensorflow/tensorflow,annarev/tensorflow,gunan/tensorflow,davidzchen/tensorflow,meteorcloudy/tensorflow,chemelnucfin/tensorflow,aam-at/tensorflow,gautam1858/tensorflow,ageron/tensorflow,alshedivat/tensorflow,aselle/tensorflow,tensorflow/tensorflow,theflofly/tensorflow,freedomtan/tensorflow,AnishShah/tensorflow,jendap/tensorflow,seanli9jan/tensorflow,yanchen036/tensorflow,seanli9jan/tensorflow,kobejean/tensorflow,gautam1858/tensorflow,alshedivat/tensorflow,drpngx/tensorflow,karllessard/tensorflow,paolodedios/tensorflow,drpngx/tensorflow,girving/tensorflow,AnishShah/tensorflow,xodus7/tensorflow,Intel-tensorflow/tensorflow,tensorflow/tensorflow-pywrap_saved_model,petewarden/tensorflow,girving/tensorflow,paolodedios/tensorflow,jalexvig/tensorflow,gunan/tensorflow,ghchinoy/tensorflow,ageron/tensorflow,lukeiwanski/tensorflow,AnishShah/tensorflow,AnishShah/tensorflow,frreiss/tensorflow-fred,dongjoon-hyun/tensorflow,Intel-Corporation/tensorflow,caisq/tensorflow,xzturn/tensorflow,manipopopo/tensorflow,yanchen036/tensorflow,snnn/tensorflow,paolodedios/tensorflow,alsrgv/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,renyi533/tensorflow,arborh/tensorflow,dancingdan/tensorflow,lukeiwanski/tensorflow,gunan/tensorflow,apark263/tensorflow,ghchinoy/tensorflow,sarvex/tensorflow,petewarden/tensorflow,yongtang/tensorflow,apark263/tensorflow,frreiss/tensorflow-fred,theflofly/tensorflow,jalexvig/tensorflow,ppwwyyxx/tensorflow,asimshankar/tensorflow,jendap/tensorflow,aselle/tensorflow,seanli9jan/tensorflow,ageron/tensorflow,hfp/tensorflow-xsmm,jbedorf/tensorflow,adit-chandra/tensorflow,ZhangXinNan/tensorflow,DavidNorman/tensorflow,snnn/tensorflow,dongjoon-hyun/tensorflow,manipopopo/tensorflow,aselle/tensorflow,drpngx/tensorflow,lukeiwanski/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,alsrgv/tensorflow,gojira/tensorflow,hehongliang/tensorflow,cxxgtxy/tensorflow,tensorflow/tensorflow,xodus7/tensorflow,brchiu/tensorflow,Bismarrck/tensorflow,gojira/tensorflow,Bismarrck/tensorflow,seanli9jan/tensorflow,davidzchen/tensorflow,jbedorf/tensorflow,ppwwyyxx/tensorflow,aldian/tensorflow,asimshankar/tensorflow,paolodedios/tensorflow,Bismarrck/tensorflow,jalexvig/tensorflow,petewarden/tensorflow,jalexvig/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,DavidNorman/tensorflow,manipopopo/tensorflow,freedomtan/tensorflow,benoitsteiner/tensorflow-xsmm,karllessard/tensorflow,gautam1858/tensorflow,arborh/tensorflow,paolodedios/tensorflow,gojira/tensorflow,benoitsteiner/tensorflow-xsmm,seanli9jan/tensorflow,arborh/tensorflow,ageron/tensorflow,kevin-coder/tensorflow-fork,renyi533/tensorflow,caisq/tensorflow,annarev/tensorflow,AnishShah/tensorflow,alsrgv/tensorflow,aam-at/tensorflow,dendisuhubdy/tensorflow,asimshankar/tensorflow,jbedorf/tensorflow,hfp/tensorflow-xsmm,hehongliang/tensorflow,jhseu/tensorflow,brchiu/tensorflow,aam-at/tensorflow,jalexvig/tensorflow,hfp/tensorflow-xsmm,jbedorf/tensorflow,tensorflow/tensorflow-pywrap_saved_model,gojira/tensorflow,jart/tensorflow,yongtang/tensorflow,yongtang/tensorflow,freedomtan/tensorflow,xzturn/tensorflow,sarvex/tensorflow,seanli9jan/tensorflow,dancingdan/tensorflow,karllessard/tensorflow,ZhangXinNan/tensorflow,petewarden/tensorflow,girving/tensorflow,nburn42/tensorflow,karllessard/tensorflow,brchiu/tensorflow,dendisuhubdy/tensorflow,hfp/tensorflow-xsmm,kobejean/tensorflow,kobejean/tensorflow,hehongliang/tensorflow,hfp/tensorflow-xsmm,jendap/tensorflow,jart/tensorflow,gunan/tensorflow,brchiu/tensorflow,DavidNorman/tensorflow,arborh/tensorflow,aselle/tensorflow,kobejean/tensorflow,jendap/tensorflow,aam-at/tensorflow,adit-chandra/tensorflow,xodus7/tensorflow,frreiss/tensorflow-fred,Bismarrck/tensorflow,lukeiwanski/tensorflow,kobejean/tensorflow,kevin-coder/tensorflow-fork,meteorcloudy/tensorflow,davidzchen/tensorflow,davidzchen/tensorflow,petewarden/tensorflow,jbedorf/tensorflow,Intel-tensorflow/tensorflow,snnn/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,benoitsteiner/tensorflow-xsmm,dongjoon-hyun/tensorflow,alsrgv/tensorflow,aselle/tensorflow,xodus7/tensorflow,frreiss/tensorflow-fred,kevin-coder/tensorflow-fork,manipopopo/tensorflow,ageron/tensorflow,xzturn/tensorflow,tensorflow/tensorflow,ZhangXinNan/tensorflow,gunan/tensorflow,alsrgv/tensorflow,annarev/tensorflow,apark263/tensorflow,Intel-Corporation/tensorflow,Intel-tensorflow/tensorflow,yongtang/tensorflow,petewarden/tensorflow,caisq/tensorflow,ZhangXinNan/tensorflow,petewarden/tensorflow,aam-at/tensorflow,jalexvig/tensorflow,snnn/tensorflow,AnishShah/tensorflow,hfp/tensorflow-xsmm,frreiss/tensorflow-fred,chemelnucfin/tensorflow,Bismarrck/tensorflow,alsrgv/tensorflow,adit-chandra/tensorflow,caisq/tensorflow,dongjoon-hyun/tensorflow,alsrgv/tensorflow,kevin-coder/tensorflow-fork,petewarden/tensorflow,manipopopo/tensorflow,tensorflow/tensorflow-pywrap_saved_model,gojira/tensorflow,apark263/tensorflow,kobejean/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,alsrgv/tensorflow,jhseu/tensorflow,freedomtan/tensorflow,gautam1858/tensorflow,ZhangXinNan/tensorflow,meteorcloudy/tensorflow,dendisuhubdy/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,DavidNorman/tensorflow,tensorflow/tensorflow-pywrap_saved_model,aam-at/tensorflow,dancingdan/tensorflow,dendisuhubdy/tensorflow,xodus7/tensorflow,theflofly/tensorflow,dancingdan/tensorflow,alshedivat/tensorflow,girving/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,brchiu/tensorflow,chemelnucfin/tensorflow,adit-chandra/tensorflow,Bismarrck/tensorflow,jart/tensorflow,drpngx/tensorflow,yongtang/tensorflow,freedomtan/tensorflow,ghchinoy/tensorflow,aselle/tensorflow,frreiss/tensorflow-fred,seanli9jan/tensorflow,alsrgv/tensorflow,jendap/tensorflow,gunan/tensorflow,ZhangXinNan/tensorflow,caisq/tensorflow,theflofly/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,aldian/tensorflow,annarev/tensorflow,aam-at/tensorflow,renyi533/tensorflow,frreiss/tensorflow-fred,seanli9jan/tensorflow,lukeiwanski/tensorflow,hehongliang/tensorflow,tensorflow/tensorflow,manipopopo/tensorflow,meteorcloudy/tensorflow,jendap/tensorflow,alshedivat/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,cxxgtxy/tensorflow,jalexvig/tensorflow,ZhangXinNan/tensorflow,renyi533/tensorflow,apark263/tensorflow,theflofly/tensorflow,drpngx/tensorflow,dancingdan/tensorflow,ghchinoy/tensorflow,davidzchen/tensorflow,snnn/tensorflow,gunan/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,dancingdan/tensorflow,adit-chandra/tensorflow,freedomtan/tensorflow,asimshankar/tensorflow,Intel-Corporation/tensorflow,cxxgtxy/tensorflow,snnn/tensorflow,ageron/tensorflow,davidzchen/tensorflow,dancingdan/tensorflow,aselle/tensorflow,arborh/tensorflow,kevin-coder/tensorflow-fork,ageron/tensorflow,Bismarrck/tensorflow,jbedorf/tensorflow,benoitsteiner/tensorflow-xsmm,chemelnucfin/tensorflow,benoitsteiner/tensorflow-xsmm,asimshankar/tensorflow,xzturn/tensorflow,aldian/tensorflow,meteorcloudy/tensorflow,paolodedios/tensorflow,aam-at/tensorflow,asimshankar/tensorflow,kobejean/tensorflow,petewarden/tensorflow,adit-chandra/tensorflow,dongjoon-hyun/tensorflow,Intel-tensorflow/tensorflow,sarvex/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,renyi533/tensorflow,nburn42/tensorflow,Intel-tensorflow/tensorflow,chemelnucfin/tensorflow,jart/tensorflow,Intel-Corporation/tensorflow,jendap/tensorflow,gautam1858/tensorflow,ppwwyyxx/tensorflow,drpngx/tensorflow,petewarden/tensorflow,aselle/tensorflow,cxxgtxy/tensorflow,aldian/tensorflow,gautam1858/tensorflow,jhseu/tensorflow,jhseu/tensorflow,frreiss/tensorflow-fred,jalexvig/tensorflow,jbedorf/tensorflow,paolodedios/tensorflow,hfp/tensorflow-xsmm,jart/tensorflow,dongjoon-hyun/tensorflow,gautam1858/tensorflow,brchiu/tensorflow,kevin-coder/tensorflow-fork,kobejean/tensorflow,ageron/tensorflow,dendisuhubdy/tensorflow,kobejean/tensorflow,gojira/tensorflow,seanli9jan/tensorflow,ppwwyyxx/tensorflow,hfp/tensorflow-xsmm,jbedorf/tensorflow,karllessard/tensorflow,Intel-tensorflow/tensorflow,girving/tensorflow,gunan/tensorflow,aam-at/tensorflow,hehongliang/tensorflow,asimshankar/tensorflow,benoitsteiner/tensorflow-xsmm,annarev/tensorflow,ppwwyyxx/tensorflow,jhseu/tensorflow,benoitsteiner/tensorflow-xsmm,caisq/tensorflow,xzturn/tensorflow,karllessard/tensorflow,petewarden/tensorflow,xzturn/tensorflow,xzturn/tensorflow,AnishShah/tensorflow,adit-chandra/tensorflow,chemelnucfin/tensorflow,apark263/tensorflow,ghchinoy/tensorflow,kobejean/tensorflow,freedomtan/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,DavidNorman/tensorflow,theflofly/tensorflow,lukeiwanski/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,kobejean/tensorflow,nburn42/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,yanchen036/tensorflow,paolodedios/tensorflow,meteorcloudy/tensorflow,drpngx/tensorflow,DavidNorman/tensorflow,apark263/tensorflow,adit-chandra/tensorflow,jart/tensorflow,dendisuhubdy/tensorflow,Bismarrck/tensorflow,gautam1858/tensorflow,paolodedios/tensorflow,Intel-tensorflow/tensorflow,frreiss/tensorflow-fred,tensorflow/tensorflow-pywrap_saved_model,nburn42/tensorflow,karllessard/tensorflow,caisq/tensorflow,benoitsteiner/tensorflow-xsmm,karllessard/tensorflow,meteorcloudy/tensorflow,renyi533/tensorflow,jart/tensorflow,snnn/tensorflow,arborh/tensorflow,tensorflow/tensorflow-pywrap_saved_model,DavidNorman/tensorflow,renyi533/tensorflow,gojira/tensorflow,dongjoon-hyun/tensorflow,xodus7/tensorflow,caisq/tensorflow,alshedivat/tensorflow,xzturn/tensorflow,xzturn/tensorflow,alshedivat/tensorflow,apark263/tensorflow,xzturn/tensorflow,ppwwyyxx/tensorflow,tensorflow/tensorflow-pywrap_saved_model,hfp/tensorflow-xsmm,AnishShah/tensorflow,AnishShah/tensorflow,asimshankar/tensorflow,jendap/tensorflow,ZhangXinNan/tensorflow,brchiu/tensorflow,chemelnucfin/tensorflow,jbedorf/tensorflow,sarvex/tensorflow,benoitsteiner/tensorflow-xsmm,jbedorf/tensorflow,aselle/tensorflow,snnn/tensorflow,gunan/tensorflow,drpngx/tensorflow,ppwwyyxx/tensorflow,aam-at/tensorflow,tensorflow/tensorflow-pywrap_saved_model,asimshankar/tensorflow,Intel-Corporation/tensorflow,jendap/tensorflow,girving/tensorflow,karllessard/tensorflow,alsrgv/tensorflow,caisq/tensorflow,chemelnucfin/tensorflow,girving/tensorflow,meteorcloudy/tensorflow,davidzchen/tensorflow,snnn/tensorflow,renyi533/tensorflow,gautam1858/tensorflow,gunan/tensorflow,arborh/tensorflow,girving/tensorflow,tensorflow/tensorflow-pywrap_saved_model,dongjoon-hyun/tensorflow,caisq/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,sarvex/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,chemelnucfin/tensorflow,asimshankar/tensorflow,ghchinoy/tensorflow,gojira/tensorflow,jalexvig/tensorflow,aam-at/tensorflow,yongtang/tensorflow,nburn42/tensorflow,freedomtan/tensorflow,tensorflow/tensorflow-pywrap_saved_model,lukeiwanski/tensorflow,nburn42/tensorflow,yongtang/tensorflow,gunan/tensorflow,kevin-coder/tensorflow-fork,brchiu/tensorflow,benoitsteiner/tensorflow-xsmm,ghchinoy/tensorflow,alshedivat/tensorflow,gojira/tensorflow,xodus7/tensorflow,yanchen036/tensorflow,tensorflow/tensorflow,seanli9jan/tensorflow,apark263/tensorflow,tensorflow/tensorflow,DavidNorman/tensorflow,paolodedios/tensorflow,annarev/tensorflow,annarev/tensorflow,meteorcloudy/tensorflow,ageron/tensorflow,ghchinoy/tensorflow,manipopopo/tensorflow,ageron/tensorflow,brchiu/tensorflow,Intel-Corporation/tensorflow,alsrgv/tensorflow,Intel-Corporation/tensorflow,hehongliang/tensorflow,kevin-coder/tensorflow-fork,adit-chandra/tensorflow,arborh/tensorflow,paolodedios/tensorflow,lukeiwanski/tensorflow,theflofly/tensorflow,yanchen036/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,hehongliang/tensorflow,girving/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,ghchinoy/tensorflow,jhseu/tensorflow,ageron/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,manipopopo/tensorflow,adit-chandra/tensorflow,davidzchen/tensorflow,jalexvig/tensorflow,DavidNorman/tensorflow,renyi533/tensorflow,freedomtan/tensorflow,DavidNorman/tensorflow,Intel-tensorflow/tensorflow,xodus7/tensorflow,ppwwyyxx/tensorflow,aldian/tensorflow,asimshankar/tensorflow,annarev/tensorflow,davidzchen/tensorflow,DavidNorman/tensorflow,snnn/tensorflow,manipopopo/tensorflow,yongtang/tensorflow,tensorflow/tensorflow-pywrap_saved_model,Bismarrck/tensorflow,annarev/tensorflow,kevin-coder/tensorflow-fork