Cap aiohttp <3.0.0

This is to work around the following issue:

  aiohttp requires Python '>=3.5.3' but the running Python is 3.5.2

Which is breaking builds on Ubuntu Xenial.

Change-Id: I656f4e37a12159b60154cd868a5416c6af3e3139
Signed-off-by: Paul Belanger <pabelanger@redhat.com>
1 file changed