Update app.py

app.py

@@ -257,7 +257,7 @@ async def add_text(char1,char2,runs,context,initial_question,history):
     last_question=None
     # todo build a context from dropdown
     returned_history = ""
-    for i in range(int(runs)+1)):
+    for i in range(int(runs)+1):
         print("char1:",char1," :", initial_question)
         returned_history += char1 + " : " + initial_question + "\n"