Index: leahi_dialin/fp/filtration_purification.py
===================================================================
diff -u -rfc66ce51dca2af3afb1de1426f3eb1cf5285d66f -rf03c9a32180573f2430105ad69eb91d9f597a96b
--- leahi_dialin/fp/filtration_purification.py	(.../filtration_purification.py)	(revision fc66ce51dca2af3afb1de1426f3eb1cf5285d66f)
+++ leahi_dialin/fp/filtration_purification.py	(.../filtration_purification.py)	(revision f03c9a32180573f2430105ad69eb91d9f597a96b)
@@ -37,7 +37,8 @@
 from ..common.msg_defs import MsgIds, MsgFieldPositions, MsgFieldPositionsFWVersions
 from ..common.override_templates import cmd_generic_broadcast_interval_override, cmd_generic_override
 from ..protocols.CAN import DenaliMessage, DenaliCanMessenger, DenaliChannels
-from ..utils.base import AbstractSubSystem, publish, LogManager
+from leahi_dialin.utils.abstract_classes import AbstractSubSystem
+from leahi_dialin.utils.base import publish, LogManager
 from ..utils.conversions import integer_to_bytearray, bytearray_to_byte