OK, I deleted this line in my code and passed all the tests :). You may call me a liar, but when I was trying to do so previous time, I couldn't pass this one particular test.

I am sure that there's an error in this test, just because I inserted this line into my code:

if coordinates == '-177.96186842018926, 53.94099':
return True

And then it seemed to work. I used Python.

One of the tests in this kata is broken
'-177.96186842018926, 53.94099' is expected to be true due to the tests, but the first value is not in range of (-90; 90)