Update SciGraph.py

SciGraph.py

@@ -58,8 +58,7 @@ class SciGraph(datasets.GeneratorBasedBuilder):
     DEFAULT_CONFIG_NAME = "function"
 
     def _info(self):
-        with open('class.json', 'r') as f:
-            classes = list(json.load(f).keys())
+        classes = ['综述与进展', '论证与对比', '思考与探讨', '原理与计算', '技术与方法', '设计与应用']
         if self.config.name == "function":  # This is the name of the configuration selected in BUILDER_CONFIGS above
             features = datasets.Features(
                 {