Get rid of UserWarnings when running Sphinx from tools dir.
diff --git a/Doc/tools/sphinx-build.py b/Doc/tools/sphinx-build.py
index e87b6c0..91be6f0 100644
--- a/Doc/tools/sphinx-build.py
+++ b/Doc/tools/sphinx-build.py
@@ -3,11 +3,15 @@
Sphinx - Python documentation toolchain
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- :copyright: 2007 by Georg Brandl.
+ :copyright: 2007-2010 by Georg Brandl.
:license: Python license.
"""
import sys
+import warnings
+
+# Get rid of UserWarnings reported by pkg_resources.
+warnings.filterwarnings('ignore', category=UserWarning, module='jinja2')
if __name__ == '__main__':