Merge ~sylvain-pineau/checkbox-support:unixsocket_python35 into checkbox-support:master

[Sylvain Pineau]

Use sys.version_info >= (3,5) to only depends on unixsocket on recent releases (all but Trusty).

To fix daily builds: https://code.launchpad.net/~checkbox-dev/+recipe/checkbox-support-daily

[Maciej Kisielewski (kissiel)]

/me crosses fingers

review: Approve

diff --git a/setup.py b/setup.py
index 392f2e5..c5c3072 100755
--- a/setup.py
+++ b/setup.py
@@ -52,8 +52,9 @@ setup(
         'lxml >= 2.3',
         'pyparsing >= 2.0.0',
         'requests >= 1.0',
-        'requests_unixsocket >= 0.1.2',
-    ] + (['configparser'] if sys.version_info.major == 2 else []),
+    ] + (['configparser'] if sys.version_info.major == 2 else []) + (
+        ['requests_unixsocket >= 0.1.2']
+        if sys.version_info >= (3, 5) else []),
     include_package_data=True,
     entry_points={
         'plainbox.parsers': [