From 4f27f75e2e3931b8a3c0529fc06f8e51bf3540b8 Mon Sep 17 00:00:00 2001
From: Guillaume Horel <guillaume.horel@serenitascapital.com>
Date: Wed, 3 Aug 2016 09:23:21 -0400
Subject: be more defensive

---
 pyisda/curve.pyx | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pyisda/curve.pyx b/pyisda/curve.pyx
index f33db25..863ae0c 100644
--- a/pyisda/curve.pyx
+++ b/pyisda/curve.pyx
@@ -209,6 +209,9 @@ cdef class SpreadCurve(Curve):
                                                &stub_type,
                                                <long>'M',
                                                b'NONE')
+        if self._thisptr == NULL:
+            raise ValueError("something went wrong")
+
 
     @classmethod
     def from_flat_hazard(cls, base_date, double rate, Basis basis = CONTINUOUS,
-- 
cgit v1.2.3-70-g09d2