Adding str accuracy (#2)

- Adding str accuracy (57059b967864ac80b1e91deea81348b02ea3766f)


Co-authored-by: Thomas Simonini <ThomasSimonini@users.noreply.huggingface.co>

utils.py

@@ -48,6 +48,7 @@ def parse_rewards(accuracy):
     default_std = -1000
     default_reward=-1000
     if accuracy !=  None:
+        accuracy = str(accuracy)
         parsed =  accuracy.split(' +/- ')
         if len(parsed)>1:
             mean_reward = float(parsed[0])