Added a comment in the Kivy example about the error report message

cztomczak · cztomczak · commit d449c938dd8e · 2013-09-11T08:05:37.000+02:00
in the console when creating an OSR browser - it's harmless.
diff --git a/cefpython/cef3/linux/binaries_64bit/kivy_.py b/cefpython/cef3/linux/binaries_64bit/kivy_.py
@@ -125,6 +125,15 @@ def start_cef(self, start_url='http://google.com'):
         
         #Create Broswer and naviagte to empty page <= OnPaint won't get called yet
         browserSettings = {}
+        # The render handler callbacks are not yet set, thus an 
+        # error report will be thrown in the console (when release
+        # DCHECKS are enabled), however don't worry, it is harmless.
+        # This is happening because calling GetViewRect will return 
+        # false. That's why it is initially navigating to "about:blank".
+        # Later, a real url will be loaded using the LoadUrl() method 
+        # and the GetViewRect will be called again. This time the render
+        # handler callbacks will be available, it will work fine from
+        # this point.
         self.browser = cefpython.CreateBrowserSync(windowInfo, browserSettings, navigateUrl="about:blank")
         
         #set focus
