pythonPackages.glances: 3.1.0 -> 3.1.1

Note/TODO: The IP plugin fails in the sandbox:

Error while initializing the ip plugin ('NoneType' object has no attribute 'split')

but works outside of the build sandbox (i.e. in a normal setup).

pkgs/development/python-modules/glances/skip-failing-tests.patch

@@ -50,3 +50,11 @@ diff --git a/unitest.py b/unitest.py
      def test_006_swap(self):
          """Check MEMSWAP plugin."""
          stats_to_check = ['used', 'free', 'total']
+@@ -191,6 +196,7 @@ class TestGlances(unittest.TestCase):
+         self.assertTrue(type(stats_grab) is list, msg='Folders stats is not a list')
+         print('INFO: Folders stats: %s' % stats_grab)
+ 
++    @unittest.skip("Fails on NixOS (TODO)")
+     def test_012_ip(self):
+         """Check IP plugin."""
+         print('INFO: [TEST_012] Check IP stats')