From 675f4483135e00e54d88f3aea11ccd5afa5c3952 Mon Sep 17 00:00:00 2001
From: Matthew Honnibal <honnibal+gh@gmail.com>
Date: Sun, 4 Jun 2017 14:25:30 -0500
Subject: [PATCH] Fix vector linkage on Doc

---
 spacy/tokens/doc.pyx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/spacy/tokens/doc.pyx b/spacy/tokens/doc.pyx
index b2706ea6f..daf36bb85 100644
--- a/spacy/tokens/doc.pyx
+++ b/spacy/tokens/doc.pyx
@@ -255,7 +255,7 @@ cdef class Doc:
                 return self.user_hooks['has_vector'](self)
             elif any(token.has_vector for token in self):
                 return True
-            elif self.tensor:
+            elif self.tensor is not None:
                 return True
             else:
                 return False
@@ -275,7 +275,7 @@ cdef class Doc:
             elif self.has_vector and len(self):
                 self._vector = sum(t.vector for t in self) / len(self)
                 return self._vector
-            elif self.tensor:
+            elif self.tensor is not None:
                 self._vector = self.tensor.mean(axis=0)
                 return self._vector
             else: