Constant names Empty and Universe, pretty printing

[linpy.git] / pypol / isl.py

diff --git a/pypol/isl.py b/pypol/isl.py
index ddf7ea0..ecc32c7 100644 (file)
--- a/pypol/isl.py
+++ b/pypol/isl.py
@@ -1,14 +1,4 @@
-"""
-note: for islpy
-isl format: basic set: ("{[x, y] : x >= 0 and x < 5 and y >= 0 and y < x+4 }")
-"""
-
 import ctypes, ctypes.util
-import functools
-import math
-import numbers
-import operator
-import re
 
 from . import _isl
 
@@ -34,7 +24,8 @@ class IslObject:
 class Context(IslObject):
 
     def __init__(self):
-        self._ptr = libisl.isl_ctx_alloc()
+        ptr = libisl.isl_ctx_alloc()
+        super().__init__(ptr)
 
     #comment out so does not delete itself after being created
     #def __del__(self):