Issue #28221: Merge SSL test cleanup from 3.5 into 3.6
diff --git a/Lib/test/test_ssl.py b/Lib/test/test_ssl.py
index 1905df0..631c8c1 100644
--- a/Lib/test/test_ssl.py
+++ b/Lib/test/test_ssl.py
@@ -2761,8 +2761,6 @@
 
         def test_asyncore_server(self):
             """Check the example asyncore integration."""
-            indata = "TEST MESSAGE of mixed case\n"
-
             if support.verbose:
                 sys.stdout.write("\n")