see https://github.com/amueller/word_cloud/issues/764

diff --git a/MANIFEST.in b/MANIFEST.in
index ae133fe..d1eb614 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,3 +1,5 @@
 include wordcloud/_version.py
 exclude wordcloud/*.c
 exclude wordcloud/TODO
+include wordcloud/DroidSansMono.ttf
+include wordcloud/stopwords
