Update app.py

app.py

@@ -177,7 +177,7 @@ def decrypt_text1(im,in2):
     #enc_in=enc_in.strip('"')
     #enc_session_key, nonce, tag, cipher_text = enc_in[0],enc_in[1],enc_in[2],enc_in[3]
     enc_session_key, nonce, tag, ciphertext = \
-       [ file_in.read(x) for x in (private_key.size_in_bytes(), 16, 16, -1) ]
+       [ base64.b64decode(file_in.read(x)) for x in (private_key.size_in_bytes(), 16, 16, -1) ]
     file_in.close()
     print (f'enc_session_key::{enc_session_key}')
     print (f'nonce::{nonce}')