From 826add7b434da2cc77a7182d2e1a6dd3246142f7 Mon Sep 17 00:00:00 2001
From: Julien Fontanet <julien.fontanet@isonoe.net>
Date: Fri, 27 Dec 2013 14:22:02 +0100
Subject: [PATCH] $waitPromise should handle gracefully non promise.

---
 src/fibers-utils.coffee | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/fibers-utils.coffee b/src/fibers-utils.coffee
index 3142ddfaf..30a597912 100644
--- a/src/fibers-utils.coffee
+++ b/src/fibers-utils.coffee
@@ -59,6 +59,9 @@ $waitEvent = (emitter, event) ->
 
 # Waits for a promise to be fulfilled or broken.
 $waitPromise = (promise) ->
+  # If it is not a promise, just forwards it.
+  return promise unless $isPromise promise
+
   fiber = $fiber.current
 
   promise.then(