patch 7.4.1297
Problem:    On Mac test_channel leaves python instances running.
Solution:   Use a small waittime to make ch_open() work. (Ozaki Kiichi)
diff --git a/src/version.c b/src/version.c
index 131ef4b..23ee41b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -748,6 +748,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1297,
+/**/
     1296,
 /**/
     1295,