geopy/geopy — pull request #24 by ianawilson (2013-10-30 18:42:31+00:00)
Title: Added handling case for ZERO_RESULTS from GoogleV3 with test case

Without this, geocode() would raise `GeocoderQueryError('Unknown error.')`, which is highly confusing, as opposed to simply returning `None`, which was the old behavior of this. Includes a test case.