Implement BasicSet.__del__

diff --git a/pypol/isl.py b/pypol/isl.py
index 00d0818..ddf7ea0 100644 (file)
--- a/pypol/isl.py
+++ b/pypol/isl.py
@@ -55,3 +55,6 @@ class BasicSet(IslObject):
         p = libisl.isl_printer_print_basic_set(p, self)
         string = libisl.isl_printer_get_str(p).decode()
         return string
+
+    def __del__(self):
+        libisl.isl_basic_set_free(self)