adapt graph mode of dataset

mindinsight/profiler/parser/minddata_parser.py

@@ -81,7 +81,7 @@ class MinddataParser:
             minddata_aicpu_source_path = get_file_join_name(
                 input_path=os.path.join(source_path, "data"), file_name='DATA_PREPROCESS.dev.AICPUMI')
             if not minddata_aicpu_source_path:
-                raise RuntimeError("Fail to get AICPUMI file.")
+                return
         minddata_aicpu_output_path = os.path.join(output_path, "minddata_aicpu_" + device_id + ".txt")
 
         minddata_aicpu_data = MinddataParser.parse_minddata_aicpu_data(minddata_aicpu_source_path)