From a173ddf375b5836d2e1c1cd0341d3ca7024bc4ce Mon Sep 17 00:00:00 2001
From: Berkeley Martinez <Berkeley@robotie.com>
Date: Mon, 29 Feb 2016 12:59:35 -0800
Subject: [PATCH] Fix bad boolean in professor-x

---
 common/app/utils/professor-x.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/app/utils/professor-x.js b/common/app/utils/professor-x.js
index a9402f90d7..9de356867a 100644
--- a/common/app/utils/professor-x.js
+++ b/common/app/utils/professor-x.js
@@ -158,7 +158,7 @@ export default function contain(options = {}, Component) {
       );
 
       const fetch$ = action.apply(null, actionArgs);
-      if (__DEV__ && Observable.isObservable(fetch$)) {
+      if (__DEV__ && !Observable.isObservable(fetch$)) {
         throw new Error(
           'fetch action should return observable'
         );