From a027d50aeef432f70a0901a4b10c60a0265ffea4 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Wed, 2 May 2018 09:54:18 +0200
Subject: python wrapper: print the return code on failure

---
 teukolsky_data.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/teukolsky_data.py b/teukolsky_data.py
index f6c78c5..2458bf7 100644
--- a/teukolsky_data.py
+++ b/teukolsky_data.py
@@ -111,7 +111,7 @@ class TeukolskyData(object):
         ret = eval_func(self._tdctx, out.shape[0], c_r, c_theta,
                         c_diff_order, c_out, ctypes.c_long(r.shape[0]))
         if ret < 0:
-            raise RuntimeError('Error evaluating the variable')
+            raise RuntimeError('Error evaluating the variable: %d' % ret)
 
         out.shape = (theta.shape[0], r.shape[0])
         return out
-- 
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