Update app.py

app.py

@@ -21,7 +21,7 @@ from llama_index import GPTSimpleVectorIndex, SimpleDirectoryReader
 
 index = GPTSimpleVectorIndex.load_from_disk('index.json')
 
-ef querying_db(query: str):
+def querying_db(query: str):
     response = index.query(query)
     return response
 
@@ -37,7 +37,7 @@ tools = [
 ]
 
 prefix = """Give a detailed answer to the question"""
-suffix = """Give answer in bullet points"
+suffix = """Give answer in bullet points"""
 
 Question: {input}
 {agent_scratchpad}"""