Update app.py

app.py

@@ -1,5 +1,5 @@
 import requests
-import os
+import os, io
 import gradio as gr
 # from PIL import Image
 
@@ -16,7 +16,8 @@ def query(filename):
     return response.json()
 
 def rb(img):
-    response = requests.post(API_URL, headers=headers, data=bytes(img.tobytes("utf-8")))
+    # response = requests.post(API_URL, headers=headers, data=bytes(img.tobytes("raw")))
+    response = requests.post(API_URL, headers=headers, data=io.BytesIO(img))
     return response.json()
 
 # train = os.listdir("./")