Decode base64 string python

Decode base64

import base64

# Picture a scenario where you need to retrieve a base64 string and decrypt with a privatekey

base64str = 'E6ne2WavwjIBh3wmUtc1xQRhW9eSK4T5fNkP+GSpaUboKqiI0degfQ=='
decodedstr = base64.b64decode(base64str)

# Now you can decrypt it
decrypted = unpad(cipher.decrypt(decodestr))

# Decrypted string
print decrypted

unpad is not defined