Update app.py

app.py

@@ -1,7 +1,7 @@
 from __future__ import print_function
 from flask import Flask, render_template,request,flash , json, url_for,g , redirect , jsonify , send_file ,make_response
 import json  
-import fitz
+import fitz  
 from PIL import Image  
 import cv2   
 import numpy as np