fix imports

app.py

@@ -14,7 +14,9 @@ from cltk.languages.utils import get_lang
 from cltk.alphabet.processes import LatinNormalizeProcess
 from cltk.nlp import NLP
 from cltk.text.processes import DefaultPunctuationRemovalProcess
-from fastapi import FastAPI, StaticFiles, FileResponse
+from fastapi import FastAPI
+from fastapi.responses import FileResponse
+from fastapi.staticfiles import StaticFiles
 from typing import Optional
 import json
 from transformers import AutoTokenizer