update kivy blacklist

gui/kivy/tools/blacklist.txt

@@ -30,6 +30,7 @@ gui/gtk*
 gui/qt*
 gui/kivy/tools
 build/*
+contrib/*
 
 # unused kivy files (platform specific)
 kivy/input/providers/wm_*
@@ -95,7 +96,7 @@ lib-dynload/_lsprof.so
 lib-dynload/*audioop.so
 #lib-dynload/mmap.so
 lib-dynload/_hotshot.so
-lib-dynload/_csv.so
+#lib-dynload/_csv.so
 lib-dynload/future_builtins.so
 lib-dynload/_heapq.so
 lib-dynload/_json.so