capybara/virtualenv/lib/python2.7/site-packages/itsdangerous.py
def base64_decode(string):
    """base64 decodes a single bytestring (and is tolerant to getting
    called with a unicode string).
    The result is also a bytestring.
    """
    string = want_bytes(string, encoding='ascii', errors='ignore')
    return base64.urlsafe_b64decode(string + b'=' * (-len(string) % 4))
def base64_decode(string):
    """base64 decodes a single bytestring (and is tolerant to getting
    called with a unicode string).
    The result is also a bytestring.
    """
    string = want_bytes(string, encoding='ascii', errors='ignore')
    return base64.urlsafe_b64decode(string + b'=' * (-len(string) % 4))
def base64_decode ( string ) : string = want_bytes ( string , encoding = 'ascii' , errors = 'ignore' ) return base64 . urlsafe_b64decode ( string + b'=' * ( - len ( string ) % 4 ) )
base64 decodes a single bytestring (and is tolerant to getting
    called with a unicode string).
    The result is also a bytestring.
base64 decodes a single bytestring ( and is tolerant to getting called with a unicode string ) . The result is also a bytestring .