Defer tempfile import to improve startup time.

1 files changed, 1 insertions, 1 deletions

diff --git a/numpy/lib/_datasource.py b/numpy/lib/_datasource.py
index d70e5db9d..e026f6816 100644
--- a/numpy/lib/_datasource.py
+++ b/numpy/lib/_datasource.py
@@ -35,7 +35,6 @@ Example:
 __docformat__ = "restructuredtext en"
 
 import os
-import tempfile
 from shutil import rmtree
 from urlparse import urlparse
 
@@ -131,6 +130,7 @@ class DataSource (object):
             self._destpath = os.path.abspath(destpath)
             self._istmpdest = False
         else:
+            import tempfile # deferring import to improve startup time
             self._destpath = tempfile.mkdtemp()
             self._istmpdest = True