Update vtqa2023.py

vtqa2023.py

@@ -105,6 +105,9 @@ class VTQAConfig(datasets.BuilderConfig):
 
     @property
     def features(self):
+        # 设置默认值
+        lang, image_type = "all", "all"
+        
         if self.name == "all":
             lang, image_type = "all", "all"
         elif "-" in self.name:
@@ -113,6 +116,7 @@ class VTQAConfig(datasets.BuilderConfig):
             lang, image_type = self.name, "all"
         elif self.name in ["image", "region", "grid"]:
             lang, image_type = "all", self.name
+        
         self.lang, self.image_type = lang, image_type
 
         btf = _BASE_TEXT_FEATURES["cws"] if self.use_cws else _BASE_TEXT_FEATURES["raw"]