diff --git a/salt/utils/network.py b/salt/utils/network.py
index 8a6830f2c760..455190e9264f 100644
--- a/salt/utils/network.py
+++ b/salt/utils/network.py
@@ -56,6 +56,8 @@
 
 
 _INTERFACES = {}
+
+
 def _get_interfaces():
     '''
     Provide a dict of the connected interfaces and their ip addresses
diff --git a/tests/unit/grains/test_core.py b/tests/unit/grains/test_core.py
index eab44ae4596a..69a8b3eb2b2c 100644
--- a/tests/unit/grains/test_core.py
+++ b/tests/unit/grains/test_core.py
@@ -977,31 +977,27 @@ def test_dns_return(self):
         with patch.object(salt.utils.dns, 'parse_resolv', MagicMock(return_value=resolv_mock)):
             assert core.dns() == ret
 
-
     def test_enablefqdnsFalse(self):
         '''
         tests enable_fqdns_grains is set to False
         '''
-        with patch.dict('salt.grains.core.__opts__', {'enable_fqdns_grains':False}):
+        with patch.dict('salt.grains.core.__opts__', {'enable_fqdns_grains': False}):
             assert core.fqdns() == {"fqdns": []}
 
-
     def test_enablefqdnsTrue(self):
         '''
         testing that grains uses network.fqdns module
         '''
         with patch.dict('salt.grains.core.__salt__', {'network.fqdns': MagicMock(return_value="my.fake.domain")}):
-            with patch.dict('salt.grains.core.__opts__', {'enable_fqdns_grains':True}):
+            with patch.dict('salt.grains.core.__opts__', {'enable_fqdns_grains': True}):
                 assert core.fqdns() == 'my.fake.domain'
 
-
     def test_enablefqdnsNone(self):
         '''
         testing default fqdns grains is returned when enable_fqdns_grains is None
         '''
-        with patch.dict('salt.grains.core.__opts__', {'enable_fqdns_grains':None}):
-             assert core.fqdns() == {"fqdns": []}
-
+        with patch.dict('salt.grains.core.__opts__', {'enable_fqdns_grains': None}):
+            assert core.fqdns() == {"fqdns": []}
 
     def test_enablefqdnswithoutpaching(self):
         '''
@@ -1010,7 +1006,6 @@ def test_enablefqdnswithoutpaching(self):
         with patch.dict('salt.grains.core.__salt__', {'network.fqdns': MagicMock(return_value="my.fake.domain")}):
             assert core.fqdns() == 'my.fake.domain'
 
-
     @skipIf(not salt.utils.platform.is_linux(), 'System is not Linux')
     @patch.object(salt.utils, 'is_windows', MagicMock(return_value=False))
     @patch('salt.utils.network.ip_addrs', MagicMock(return_value=['1.2.3.4', '5.6.7.8']))