Fixed typo in rewards

app.py

@@ -168,10 +168,10 @@ def parse_rewards(accuracy):
     if accuracy !=  None:
         accuracy = str(accuracy)
         parsed =  accuracy.split('+/-')
-        if len(parsed)>1):
+        if len(parsed)>1:
             mean_reward = float(parsed[0].strip())
             std_reward =  float(parsed[1].strip())
-        elif len(parsed)==1): #only mean reward
+        elif len(parsed)==1: #only mean reward
             mean_reward = float(parsed[0].strip())
             std_reward =  float(0) 
         else: