remove memo

app.py

@@ -391,10 +391,17 @@ SUFFIX = """Begin!
 Question: {input}
 Thought:{agent_scratchpad}"""
 
+SUFFIX2 = """Begin!
+
+{chat_history}
+Question: {input}
+Thought:{agent_scratchpad}"""
+
+
 prompt = ZeroShotAgent.create_prompt(
     tools, 
     prefix=PREFIX,
-    suffix=SUFFIX,
+    suffix=SUFFIX2,
     format_instructions=FORMAT_INSTRUCTIONS, 
     input_variables=["input", "chat_history", "agent_scratchpad"]
 )