Add Python 3.7 to classifiers in setup.py
beets runs perfectly well under 3.7 on Arch Linux and we're also doing
automated testing/continuous integration for Python 3.7 in Travis.
@@ -142,6 +142,7 @@ setup(
'Programming Language :: Python :: 3.4',
'Programming Language :: Python :: 3.5',
'Programming Language :: Python :: 3.6',
+ 'Programming Language :: Python :: 3.7',
'Programming Language :: Python :: Implementation :: CPython',
],
)
