using map in useeffect
useEffect(async () => {
try{
let response = await axios.get(`https://swapi.co/api/people/`)
let data = await response.json();
let newState = data.map((e) => e); // map your state here
setChars(newState); // and then update the state
console.log(newState);
} catch(error) {
console.error(error.message);
}
},[]);