Update app.py

app.py

@@ -34,7 +34,7 @@ entity_prompt = ChatPromptTemplate.from_messages([
     ("human", "Use the given format to extract information from the following input: {question}"),
 ])
 
-chat_model = ChatOpenAI(temperature=0, model_name="gpt-4o", api_key=os.environ['OPENAI_API_KEY']")
+chat_model = ChatOpenAI(temperature=0, model_name="gpt-4o", api_key=os.environ['OPENAI_API_KEY'])
 entity_chain = entity_prompt | chat_model.with_structured_output(Entities)
 
 def remove_lucene_chars(input: str) -> str: