Blynk not starting from script (python)

pls help me… blynk wont start on my Pi… it worked yesterday, but ive no idea what i might have changed…
i just tried a simple script:

import BlynkLib

BLYNK_AUTH = 'afad18114e********de30d6'
blynk = BlynkLib.Blynk(BLYNK_AUTH)

but it wont connect to my phone :confused:
please help me out :frowning: