Moving init_scope from Reduce metric to base class add_weight call.
Moving init_scope from Reduce metric to base class add_weight call.

PiperOrigin-RevId: 308547299
Change-Id: I465780680150875be2d64caa56ca10d478a1b78f

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