FIX bugs introduced by change in color handling.

papers/commands/list_cmd.py

@@ -1,5 +1,6 @@
 from .. import pretty
 from .. import repo
+from .. import color
 
 
 def parser(subparsers, config):

papers/pretty.py

@@ -26,7 +26,7 @@ def short_authors(bibentry):
         return ''
 
 
-def bib_oneliner(bibentry, color=True):
+def bib_oneliner(bibentry):
     authors = short_authors(bibentry)
     title = bibtex_purify(bibentry.fields['title'])
     year = bibtex_purify(bibentry.fields.get('year', ''))