THRIFT-3938 Python TNonblockingServer does not work with SSL

This closes #1100
diff --git a/test/py/RunClientServer.py b/test/py/RunClientServer.py
index c1443ec..7c0f787 100755
--- a/test/py/RunClientServer.py
+++ b/test/py/RunClientServer.py
@@ -46,7 +46,7 @@
 ]
 FRAMED = ["TNonblockingServer"]
 SKIP_ZLIB = ['TNonblockingServer', 'THttpServer']
-SKIP_SSL = ['TNonblockingServer', 'THttpServer']
+SKIP_SSL = ['THttpServer']
 EXTRA_DELAY = dict(TProcessPoolServer=5.5)
 
 PROTOS = [