Add 'mock' requirement for zulip and zulip_botserver.
These packages depend on mock. Previously, that dependency
was satisfied "by chance" because zulip_bots happened to
install 'mock'.
MODIFY
zulip/setup.py
zulip/setup.py
@@ -55,6 +55,7 @@ setuptools_info = dict(
install_requires=['requests>=0.12.1',
'six',
'typing>=3.5.2.2',
+ 'mock',
],
)

MODIFY
zulip_botserver/setup.py
zulip_botserver/setup.py
@@ -38,6 +38,7 @@ setuptools_info = dict(
'zulip',
'zulip_bots',
'flask>=0.12.2',
+ 'mock',
],
)

Add 'mock' requirement for zulip and zulip_botserver.

These packages depend on mock. Previously, that dependency
was satisfied "by chance" because zulip_bots happened to
install 'mock'.