[tf.data] Fix the "Returns" section in the `Dataset.unbatch()` docstring.
[tf.data] Fix the "Returns" section in the `Dataset.unbatch()` docstring.

PiperOrigin-RevId: 292633058
Change-Id: Ieab8fc87c0d5f936b254f5de5d709f1dc0c08b7a

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