import os from dotenv import load_dotenv load_dotenv() mistral_api_key = os.getenv("MISTRAL_API_KEY") from langchain_core.prompts import ChatPromptTemplate from langchain_mistralai import ChatMistralAI from langchain_core.output_parsers import StrOutputParser router_chain = ( ChatPromptTemplate.from_template( """Given the user question below, classify it as either being about : - `fitness_advices` if the user query is about nutrition or fitness program, exercices - `movement_analysis` if the user asks to analyse or give advice on his exercice execution? - `smalltalk` if other. Do not respond with more than one word. {question} Classification:""" ) | ChatMistralAI(model="mistral-large-latest", mistral_api_key=mistral_api_key, temperature=0) | StrOutputParser() ) # print(chain.invoke({"question": "Hi AI Bro coach! how are you? I was thinking about going to the gym today. What can i train?"}))