Update app.py

app.py

@@ -17,6 +17,12 @@ from fastapi import FastAPI, Request, Form
 from fastapi.responses import HTMLResponse
 from fastapi.responses import FileResponse
 from fastapi.templating import Jinja2Templates
+from fastapi.staticfiles import StaticFiles
+
+# ...
+# Mount a directory to serve static files (e.g., CSS and JavaScript)
+app.mount("/static", StaticFiles(directory="static"), name="static")
+
 import logging
 
 app = FastAPI()
@@ -52,6 +58,7 @@ import soundfile as sf
 from IPython.display import display, Audio, Markdown, clear_output
 from piper_phonemize import phonemize_codepoints, phonemize_espeak, tashkeel_run
 
+
 _LOGGER = logging.getLogger("piper_train.infer_onnx")
 import os
 #if not os.path.exists("./content/piper/src/python/lng"):