[XLA:Python] Improve error message when converting a Python value to an buffer fails.
[XLA:Python] Improve error message when converting a Python value to an buffer fails.

PiperOrigin-RevId: 351615854
Change-Id: I657375d3a0535f9b6aab3f2bbf69ef43cfbdf8dd

tensorflow/tensorflow-pywrap_saved_model,karllessard/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,tensorflow/tensorflow-pywrap_tf_optimizer,annarev/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,tensorflow/tensorflow-pywrap_tf_optimizer,yongtang/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,tensorflow/tensorflow-pywrap_saved_model,tensorflow/tensorflow,Intel-Corporation/tensorflow,annarev/tensorflow,tensorflow/tensorflow,sarvex/tensorflow,Intel-Corporation/tensorflow,Intel-Corporation/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,gautam1858/tensorflow,sarvex/tensorflow,karllessard/tensorflow,tensorflow/tensorflow-pywrap_saved_model,tensorflow/tensorflow,tensorflow/tensorflow,gautam1858/tensorflow,annarev/tensorflow,Intel-tensorflow/tensorflow,yongtang/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,frreiss/tensorflow-fred,annarev/tensorflow,tensorflow/tensorflow-pywrap_saved_model,tensorflow/tensorflow,gautam1858/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,petewarden/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,tensorflow/tensorflow-pywrap_tf_optimizer,petewarden/tensorflow,yongtang/tensorflow,sarvex/tensorflow,paolodedios/tensorflow,paolodedios/tensorflow,frreiss/tensorflow-fred,sarvex/tensorflow,paolodedios/tensorflow,paolodedios/tensorflow,tensorflow/tensorflow-pywrap_saved_model,Intel-tensorflow/tensorflow,gautam1858/tensorflow,frreiss/tensorflow-fred,tensorflow/tensorflow-pywrap_tf_optimizer,Intel-tensorflow/tensorflow,yongtang/tensorflow,petewarden/tensorflow,petewarden/tensorflow,tensorflow/tensorflow-pywrap_saved_model,tensorflow/tensorflow-pywrap_tf_optimizer,tensorflow/tensorflow-pywrap_tf_optimizer,Intel-Corporation/tensorflow,karllessard/tensorflow,annarev/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,tensorflow/tensorflow,Intel-tensorflow/tensorflow,paolodedios/tensorflow,petewarden/tensorflow,tensorflow/tensorflow-pywrap_saved_model,tensorflow/tensorflow-experimental_link_static_libraries_once,petewarden/tensorflow,frreiss/tensorflow-fred,Intel-Corporation/tensorflow,frreiss/tensorflow-fred,tensorflow/tensorflow,tensorflow/tensorflow-pywrap_saved_model,sarvex/tensorflow,frreiss/tensorflow-fred,paolodedios/tensorflow,karllessard/tensorflow,tensorflow/tensorflow-pywrap_saved_model,paolodedios/tensorflow,tensorflow/tensorflow,Intel-tensorflow/tensorflow,annarev/tensorflow,yongtang/tensorflow,Intel-tensorflow/tensorflow,tensorflow/tensorflow-pywrap_saved_model,tensorflow/tensorflow-experimental_link_static_libraries_once,paolodedios/tensorflow,frreiss/tensorflow-fred,frreiss/tensorflow-fred,karllessard/tensorflow,yongtang/tensorflow,gautam1858/tensorflow,paolodedios/tensorflow,Intel-tensorflow/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,tensorflow/tensorflow-experimental_link_static_libraries_once,gautam1858/tensorflow,sarvex/tensorflow,frreiss/tensorflow-fred,karllessard/tensorflow,gautam1858/tensorflow,tensorflow/tensorflow,yongtang/tensorflow,karllessard/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,petewarden/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,petewarden/tensorflow,karllessard/tensorflow,sarvex/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,karllessard/tensorflow,annarev/tensorflow,gautam1858/tensorflow,Intel-tensorflow/tensorflow,tensorflow/tensorflow,frreiss/tensorflow-fred,frreiss/tensorflow-fred,paolodedios/tensorflow,annarev/tensorflow,yongtang/tensorflow,karllessard/tensorflow,Intel-tensorflow/tensorflow,annarev/tensorflow,gautam1858/tensorflow,sarvex/tensorflow,karllessard/tensorflow,Intel-Corporation/tensorflow,frreiss/tensorflow-fred,Intel-Corporation/tensorflow,yongtang/tensorflow,Intel-Corporation/tensorflow,yongtang/tensorflow,annarev/tensorflow,gautam1858/tensorflow,petewarden/tensorflow,petewarden/tensorflow,yongtang/tensorflow,petewarden/tensorflow,tensorflow/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,tensorflow/tensorflow-pywrap_saved_model,annarev/tensorflow,paolodedios/tensorflow,Intel-tensorflow/tensorflow,gautam1858/tensorflow,gautam1858/tensorflow,petewarden/tensorflow,Intel-tensorflow/tensorflow