Typo in Tester.py 'raise Execption'

[koikeshuji]

RENAT/Tester.py

Line 162 in 36f4ce5

 raise Execption("Error while connecting IxNetwork: wrong module type") 

Typo at Tester.py:162 raise Execption .
It should be raise Exception.

[Nguyen Huu Bach]

fixed in latest push
Thank you very much