Update app.py

app.py

@@ -192,6 +192,7 @@ def process_image(input_img):
     rotated = False
     # load input_img
     input_img = cv2.imread(input_img)
+    input_img = cv2.cvtColor(input_img, cv2.COLOR_BGR2RGB)
     if input_img.shape[0] > input_img.shape[1]:
          input_img = cv2.rotate(input_img, cv2.ROTATE_90_COUNTERCLOCKWISE)
          rotated = True