fix doc build with old sphinx

diff --git a/docs/conf.py.in b/docs/conf.py.in
index c582244f92b6ff4378f0a6242ab59369011a895c..4dd335730e9d9d70123c33262e0bbedb93cc6905 100644 (file)
--- a/docs/conf.py.in
+++ b/docs/conf.py.in
@@ -13,7 +13,7 @@ import sys, os
 #needs_sphinx = '1.0'
 extensions = [@SPHINX_EXTENSIONS@]
 templates_path = ['_templates']
-source_suffix = ['.rst']
+source_suffix = '.rst'
 master_doc = 'index'
 pygments_style = 'sphinx'