Sem-Ver: bugfix Warn when an import error occurs when importing aiohttp so that the tests do not fail in python >= 3.5 when aiohttp is not installed.
Sem-Ver: bugfix Warn when an import error occurs when importing aiohttp so that the tests do not fail in python >= 3.5 when aiohttp is not installed.

* Warn when an import error occurs when importing aiohttp so that the tests do not fail in python >= 3.5 when aiohttp is not installed.

Signed-off-by: David Black <c4b737561a711e07c31fd1e1811f33a5d770e31c@atlassian.com>
atlassian/asap-authentication-python