From fc268f03eb346f539f2f9a7db3e6571b8d9f629c Mon Sep 17 00:00:00 2001
From: Matthew Honnibal <honnibal@gmail.com>
Date: Mon, 27 Jul 2015 01:00:10 +0200
Subject: [PATCH] * Assert against null pointer exceptions in vocab

---
 spacy/vocab.pyx | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/spacy/vocab.pyx b/spacy/vocab.pyx
index 75a7844e1..86ae7d338 100644
--- a/spacy/vocab.pyx
+++ b/spacy/vocab.pyx
@@ -101,6 +101,7 @@ cdef class Vocab:
             lex.id = 0
         else:
             self._add_lex_to_vocab(key, lex)
+        assert lex != NULL, string
         return lex
 
     cdef const LexemeC* get_by_orth(self, Pool mem, attr_t orth) except NULL:
@@ -124,6 +125,7 @@ cdef class Vocab:
             lex.id = 0
         else:
             self._add_lex_to_vocab(hash_string(string), lex)
+        assert lex != NULL, orth
         return lex
 
     cdef int _add_lex_to_vocab(self, hash_t key, const LexemeC* lex) except -1: