Subject: Do not install arch-indep files in lib directory.
From: Al Nikolov <clown@debian.org>

Index: trac-datefield-14902/1.0/setup.py
===================================================================
--- trac-datefield-14902.orig/1.0/setup.py
+++ trac-datefield-14902/1.0/setup.py
@@ -21,10 +21,6 @@ setup(
     keywords='trac plugin ticket',
     url='https://trac-hacks.org/wiki/DateFieldPlugin',
     packages=['datefield'],
-    package_data={'datefield': [
-        'htdocs/css/*.css',
-        'htdocs/js/*.js', 'htdocs/css/images/*.png'
-    ]},
     install_requires=['Trac'],
     classifiers=[
         'Framework :: Trac',
