Index: migrate_from_trac.rake
===================================================================
--- migrate_from_trac.rake	(révision 11692)
+++ migrate_from_trac.rake	(copie de travail)
@@ -81,6 +81,12 @@
             @fake_diff = 0
            res
           end
+          alias :real_at :at
+          def at(microseconds)
+            seconds = microseconds / 1000000
+            microseconds = microseconds - (seconds * 1000000)
+            real_at(seconds, microseconds)
+          end
         end
       end