Issue #19731: Update copyright year in docs.p.o footer
See https://mail.python.org/pipermail/python-legal-sig/2013-November/000059.html
for details.
Patch by Antoine Pitrou.
diff --git a/Doc/conf.py b/Doc/conf.py
index 3e656ea..d6f20ba 100644
--- a/Doc/conf.py
+++ b/Doc/conf.py
@@ -17,7 +17,7 @@
# General substitutions.
project = 'Python'
-copyright = '1990-%s, Python Software Foundation' % time.strftime('%Y')
+copyright = '2001-%s, Python Software Foundation' % time.strftime('%Y')
# We look for the Include/patchlevel.h file in the current Python source tree
# and replace the values accordingly.