rollback image format

app.py

@@ -249,7 +249,7 @@ async def upload_image(
     city: str = Form(...)
 ):
     image_data = await file.read()
-    with tempfile.NamedTemporaryFile(delete=False, suffix=".heic") as temp_image_file:
+    with tempfile.NamedTemporaryFile(delete=False, suffix=".jpg") as temp_image_file:
         temp_image_file.write(image_data)
         temp_path = temp_image_file.name
     results = model(temp_path, device='cpu')