diff --git a/quantities/unitquantity.py b/quantities/unitquantity.py
@@ -382,6 +382,14 @@ class UnitInformation(IrreducibleUnit):
class UnitCurrency(IrreducibleUnit):

    _primary_order = 9


class CompoundUnit(UnitQuantity):

diff --git a/quantities/units/__init__.py b/quantities/units/__init__.py
@@ -42,6 +42,9 @@
from . import length
from .length import *

from . import mass
from .mass import *


diff --git a/quantities/units/logunits.py b/quantities/units/logunits.py
@@ -0,0 +1,27 @@
Original file line number	Diff line number	Diff line change
Expand Up		@@ -382,6 +382,14 @@ class UnitInformation(IrreducibleUnit):
		class UnitCurrency(IrreducibleUnit):

		_primary_order = 9


		class CompoundUnit(UnitQuantity):
Expand Down