Fix --filter

eval.py

@@ -130,7 +130,7 @@ def main(args):
     if args.filter:
         attribute, value = list(map(str.strip, args.filter.split(":")))
         dataset = dataset.filter(
-            lambda x: x[attribute == value],
+            lambda x: x[attribute] == value,
             desc=f"Filtering on {args.filter}",
         )
     # for testing: only process the first two examples as a test