Update README.md

README.md

@@ -8,17 +8,9 @@ dataset_info:
   - name: subtask_query
     dtype: string
   - name: screenshot_start
-    struct:
-    - name: bytes
-      dtype: binary
-    - name: path
-      dtype: string
+    dtype: image
   - name: screenshot_end
-    struct:
-    - name: bytes
-      dtype: binary
-    - name: path
-      dtype: string
+    dtype: image
   - name: action_sequence
     dtype: string
   - name: task_id