tree 70bbfb44b9e2c0ab0a799923facef8656f8fce79
parent 3aa34223e1f4d75a51382f8a337c69b7e94e36a2
author Philipp Maier <pmaier@sysmocom.de> 1548255014 +0100
committer Philipp Maier <pmaier@sysmocom.de> 1548255163 +0100

Check return code of u.authenticate()

The method authenticate() of the class USIM may return None in some
error cases. Lets check this fore passing the return code into len()

Change-Id: Ic22f37931c13e7ec8bd1fa7872cd2a24faeea0ba
Related: OS#1967