Extending skipurlcheck logic

Hi,
I'm trying to mix pytest-django with pytest-mozwebqa.
The problem is that my server (live_server) is initialized in fixture. It's not availble for basic base_url check and sensitivity check.
So i decided to disable checking base_url completely when skipurlcheck is enabled, even for sensitivity test.
After this modification all tests run fine. However, feel free to guide me in right direction if this solution is not acceptable ;-)