Update app.py

app.py

@@ -52,7 +52,7 @@ def getChooseClass(msg):
     if full != "":
         start_index = full.index(" ") + len(" ")
         end_index = msg.index(",")
-        str = full[start_index:] + full[:end_index])
+        str = full[start_index:] + full[:end_index]
         str = str.strip()
         return str
     else: