raco.expression.function: fix cyclical import

It was importing itself
uwescience · Aug 18, 2014 · e187f21 · e187f21
1 parent 2009542
commit e187f21
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/raco/expression/function.py b/raco/expression/function.py
@@ -4,7 +4,9 @@
 
 import math
 
-from .expression import *
+from .expression import (ZeroaryOperator, UnaryOperator, BinaryOperator,
+                         NaryOperator, types, check_is_numeric, check_type,
+                         TypeSafetyViolation)
 
 
 class UnaryFunction(UnaryOperator):