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diff --git a/wqflask/base/sessionData.py b/wqflask/base/sessionData.py
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+# Copyright (C) University of Tennessee Health Science Center, Memphis, TN.
+#
+# This program is free software: you can redistribute it and/or modify it
+# under the terms of the GNU Affero General Public License
+# as published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the GNU Affero General Public License for more details.
+#
+# This program is available from Source Forge: at GeneNetwork Project
+# (sourceforge.net/projects/genenetwork/).
+#
+# Contact Drs. Robert W. Williams and Xiaodong Zhou (2010)
+# at rwilliams@uthsc.edu and xzhou15@uthsc.edu
+#
+#
+#
+# This module is used by GeneNetwork project (www.genenetwork.org)
+#
+# Created by GeneNetwork Core Team 2010/08/10
+#
+# Last updated by GeneNetwork Core Team 2010/10/20
+
+#########################################
+#convert mod_python object to Dict object
+#in order to be able to be pickled
+#########################################
+
+class sessionData(dict):
+    'convert mod python Session object to Dict object'
+
+    def __init__(self, mod_python_session=None):
+
+        if not mod_python_session:
+            mod_python_session = {}
+
+        for key in mod_python_session.keys():
+            self[key]= mod_python_session[key]
+
+
+    def getvalue(self, k, default= None):
+        try:
+            return self[k]
+        except:
+            return default
+
+    getfirst = getvalue