Update app.py

app.py

@@ -39,6 +39,7 @@ if file is not None:
     # collect the results in the dictionary:
     textdic_easyocr = {}
     for idx in range(len(result)):
+        pred_coor = result[idx][0]
         x_coords = [point[0] for point in pred_coor]
         y_coords = [point[1] for point in pred_coor]
         center_x = sum(x_coords) / len(x_coords)