Update app.py

app.py

@@ -21,6 +21,7 @@ app=FastAPI();
 def get_bytes_value(image):
     img_byte_arr = io.BytesIO()
     image.save(img_byte_arr, format='JPEG')
+    img_byte_arr.seek(0)
     return img_byte_arr.getvalue()
 imags=BaseImage()
 templates = Jinja2Templates(directory="templates")