Fixed the example listed in the README. No functional changes were made since the previous release. Thanks luizvital!
To use in CircuitPython, simply install the [Adafruit CircuitPython Bundle](https://circuitpython.org/libraries).
To use in CPython, `pip3 install adafruit-circuitpython-sht31d`.
Read the [docs](http://circuitpython.readthedocs.io/projects/sht31d/en/latest/) for info on how to use it.