clear cache patch
diff --git a/erpnext/patches/jan_mar_2012/clear_session_cache.py b/erpnext/patches/jan_mar_2012/clear_session_cache.py
new file mode 100644
index 0000000..cdcbb14
--- /dev/null
+++ b/erpnext/patches/jan_mar_2012/clear_session_cache.py
@@ -0,0 +1,5 @@
+def execute():
+	import webnotes
+	webnotes.conn.sql("""
+		delete from __SessionCache
+	""")