diff --git a/tests/net_test/csocket.py b/tests/net_test/csocket.py
index 4b268e9..5dc495c 100644
--- a/tests/net_test/csocket.py
+++ b/tests/net_test/csocket.py
@@ -24,6 +24,7 @@
 
 
 # Data structures.
+# These aren't constants, they're classes. So, pylint: disable=invalid-name
 CMsgHdr = cstruct.Struct("cmsghdr", "@Lii", "len level type")
 Iovec = cstruct.Struct("iovec", "@LL", "base len")
 MsgHdr = cstruct.Struct("msghdr", "@LLLLLLi",
@@ -112,6 +113,7 @@
   MaybeRaiseSocketError(ret)
   return ret
 
+
 def Connect(s, to):
   """Python wrapper for connect."""
   ret = libc.connect(s.fileno(), to.CPointer(), len(to))
diff --git a/tests/net_test/neighbour_test.py b/tests/net_test/neighbour_test.py
index 828a86b..2a21304 100755
--- a/tests/net_test/neighbour_test.py
+++ b/tests/net_test/neighbour_test.py
@@ -208,7 +208,7 @@
       self.ReceiveUnicastAdvertisement(addr, mac)
       self.assertNeighbourState(NUD_REACHABLE, addr)
 
-    for i in xrange(5):
+    for _ in xrange(5):
       ForceProbe(router6, routermac)