Update app.py

app.py

@@ -6,7 +6,7 @@ from cryptography.hazmat.primitives.kdf.pbkdf2 import PBKDF2HMAC
 import os
 import base64
 import hashlib
-
+from pathlib import Path
 
 
 def create_key(passw):
@@ -47,6 +47,7 @@ def encrypt(passw=None,mes=None,img=None,doc=None):
             enc_mes = f'{im_bytes}+bbb+'
 
     if doc != None:
+        doc = Path(doc)
         with open(doc, "rb") as file:
             # read all file data
             file_data = file.read()