id	summary	reporter	owner	description	type	status	priority	component	severity	resolution	keywords	cc	release
8184	Milestone not start with TypeError	okamototk	Sam Bloomquist	"With trac 0.12, milestone is not started with TypeError.
Following code resolve the problem.

{{{
def get_startdate_for_milestone(db, milestone):
    cursor = db.cursor()
    cursor.execute(""SELECT started FROM milestone WHERE name = %s"", [milestone])
    row = cursor.fetchone()
-    if(row and row[0]!=0):
-        return datetime.fromtimestamp(row[0])
-    else:
-        return None
+    try:
+        if(row and row[0]!=0):
+            return datetime.fromtimestamp(row[0])
+    except TypeError:
+        pass
+    return None
}}}

"	defect	new	high	ScrumBurndownPlugin	major				0.12