Update app.py

app.py

@@ -21,7 +21,7 @@ def greet(name):
     
     # save image
     image_pil.save("test.png")
-    encoded_string= base64.b64encode(img_pil.read())
+    encoded_string= base64.b64encode(image_pil.read())
     print(encoded_string.decode('utf-8'))
     return image_pil
     #return "Gello " + prompt + "!!"