Fix "Possible nested set" warning

Kronuz / pyScss

pyScss, a Scss compiler for Python

MIT License

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Closed funkybob closed 5 years ago

funkybob commented 5 years ago

regex in python3.7 has changed slightly, and as a result using pyScss will result in the following warning:

scss/selector.py:54: FutureWarning: Possible nested set at position 329

This PR fixes this by explicitly escaping the [] in question.