capybara/virtualenv/lib/python2.7/site-packages/itsdangerous.py
def base64_encode(string):
    """base64 encodes a single bytestring (and is tolerant to getting
    called with a unicode string).
    The resulting bytestring is safe for putting into URLs.
    """
    string = want_bytes(string)
    return base64.urlsafe_b64encode(string).strip(b'=')
def base64_encode(string):
    """base64 encodes a single bytestring (and is tolerant to getting
    called with a unicode string).
    The resulting bytestring is safe for putting into URLs.
    """
    string = want_bytes(string)
    return base64.urlsafe_b64encode(string).strip(b'=')
def base64_encode ( string ) : string = want_bytes ( string ) return base64 . urlsafe_b64encode ( string ) . strip ( b'=' )
base64 encodes a single bytestring (and is tolerant to getting
    called with a unicode string).
    The resulting bytestring is safe for putting into URLs.
base64 encodes a single bytestring ( and is tolerant to getting called with a unicode string ) . The resulting bytestring is safe for putting into URLs .