backend_driver: suppress "invalid value" warnings

efiring · efiring · commit 07c0dc812f20 · 2010-06-01T19:04:17.000Z
svn path=/trunk/matplotlib/; revision=8363
diff --git a/examples/tests/backend_driver.py b/examples/tests/backend_driver.py
@@ -360,6 +360,8 @@ def drive(backend, directories, python=['python'], switches = []):
             'import matplotlib\n',
             'matplotlib.use("%s")\n' % backend,
             'from pylab import savefig\n',
+            'import numpy\n',
+            'numpy.seterr(invalid="ignore")\n',
             ))
         for line in file(fullpath):
             line_lstrip = line.lstrip()
