Reduce numpy's import times by delaying a few time consuming imports to the point of actual use and global instantiations of finfo. Thanks to David Cournapeau for tracking down and fixing the import part of the problem.

1 files changed, 2 insertions, 1 deletions

diff --git a/numpy/lib/tests/test__datasource.py b/numpy/lib/tests/test__datasource.py
index abb58701d..5102237d6 100644
--- a/numpy/lib/tests/test__datasource.py
+++ b/numpy/lib/tests/test__datasource.py
@@ -5,6 +5,7 @@ import struct
 from tempfile import mkdtemp, mkstemp, NamedTemporaryFile
 from shutil import rmtree
 from urlparse import urlparse
+from urllib2 import URLError
 
 from numpy.testing import *
 
@@ -16,7 +17,7 @@ def urlopen_stub(url, data=None):
         tmpfile = NamedTemporaryFile(prefix='urltmp_')
         return tmpfile
     else:
-        raise datasource.URLError('Name or service not known')
+        raise URLError('Name or service not known')
 
 # Rebind urlopen during testing.  For a 'real' test, uncomment the rebinding
 # below.