Fix Symbol.__slots__

[linpy.git] / pypol / __init__.py

diff --git a/pypol/__init__.py b/pypol/__init__.py
index a6ea752..7a195ca 100644 (file)
--- a/pypol/__init__.py
+++ b/pypol/__init__.py
@@ -4,11 +4,11 @@ A polyhedral library based on ISL.
 
 from .linear import Constant, Symbol, symbols
 from .linear import eq, le, lt, ge, gt
-from .linear import empty, universe
+from .linear import Empty, Universe
 
 
 __all__ = [
     'Constant', 'Symbol', 'symbols',
     'eq', 'le', 'lt', 'ge', 'gt',
-    'empty', 'universe'
+    'Empty', 'Universe'
 ]