Fixed indention problem that caused the second TIPC test to run on systems without TIPC
diff --git a/Lib/test/test_socket.py b/Lib/test/test_socket.py
index 45f0434..4b30db8 100644
--- a/Lib/test/test_socket.py
+++ b/Lib/test/test_socket.py
@@ -1186,7 +1186,7 @@
         tests.append(TestLinuxAbstractNamespace)
     if isTipcAvailable():
         tests.append(TIPCTest)
-    tests.append(TIPCThreadableTest)
+        tests.append(TIPCThreadableTest)
 
     thread_info = test_support.threading_setup()
     test_support.run_unittest(*tests)