Adjusted comment about pypy3.
@@ -9,8 +9,7 @@ services:
python:
- 3.6
- 3.7-dev
-# - pypy # Cassandra suddenly failing to find hosts on Travis, 21 April 2018. Not sure why.
-# - pypy3 # Sadly psycopg doesn't work with pypy3 at the moment, 22 July 2018. Known unresolved issue.
+# - pypy3 # psycopg2cffi works with pypy3. However PyPy doesn't support Python3.6.
before_install:
