calling base class method fetches no results

[david jhon]

Hello everyone,

I am new to python and trying to run an example code from mininet tests.
Basically, I am trying to call a method in Hcontroller.py from base class
Routing defined in DCRouting.py which runs and fetches all the required
results in install_reactive_path() method, but it returns None when it is
called from _GlobalFirstFit. I hope someone here could help me fix this
bug..

I am attaching all the three files(DCRouting.py, HController.py, util.py)
to have a look into. Thanks in advance for your time, help or suggestion.
Thanks a lot!

kind regards,
David
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