from Crypto.Cipher import AES
from Crypto.Util.Padding import pad
from Crypto.Random import get_random_bytes


from Crypto.Cipher import AES
from Crypto.Util.Padding import unpad

# file_in = open("encrypted.bin", "rb")
file='v6NtX7bNhFoc00GLqlVBsw=='

key, iv, encrypted_data = [file for x in (16, AES.block_size, -1)]
cipher = AES.new(key, AES.MODE_CBC, iv)
data = unpad(cipher.decrypt(encrypted_data), AES.block_size)

print(data)