Minimal skeleton of a Python Session type
diff --git a/OpenSSL/ssl/ssl.c b/OpenSSL/ssl/ssl.c
index a68f447..5725d5d 100644
--- a/OpenSSL/ssl/ssl.c
+++ b/OpenSSL/ssl/ssl.c
@@ -298,6 +298,8 @@
 
     if (!init_ssl_context(module))
         goto error;
+    if (!init_ssl_session(module))
+        goto error;
     if (!init_ssl_connection(module))
         goto error;