#6944: the argument to PyArg_ParseTuple should be a tuple, otherwise a SystemError is set.  Also clean up another usage of PyArg_ParseTuple.
diff --git a/Misc/NEWS b/Misc/NEWS
index 8b0a678..cac78e1 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -1333,6 +1333,9 @@
 Extension Modules
 -----------------
 
+- Issue #6944: Fix a SystemError when socket.getnameinfo() was called
+  with something other than a tuple as first argument.
+
 - Issue #6865: Fix reference counting issue in the initialization of the pwd
   module.