error on dev server CookieError: Illegal key value: cc.sidebar/updates

[HIRANO-Satoshi]

Hi,

I have just cloned the package and tried to run it on a dev server. I got the following error.
It runs on the production server.

I'm using Safari on mac.

Any idea?

Internal Server Error

Traceback (most recent call last):
File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/webapp2-2.5.2/webapp2.py", line 1535, in call
rv = self.handle_exception(request, response, e)
File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/webapp2-2.5.2/webapp2.py", line 1529, in call
rv = self.router.dispatch(request, response)
File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/webapp2-2.5.2/webapp2.py", line 1278, in default_dispatcher
return route.handler_adapter(request, response)
File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/webapp2-2.5.2/webapp2.py", line 1102, in call
return handler.dispatch()
File "/Users/s-hirano/workspace/gae-boilerplate/bp_includes/lib/basehandler.py", line 63, in dispatch
webapp2.RequestHandler.dispatch(self)
File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/webapp2-2.5.2/webapp2.py", line 572, in dispatch
return self.handle_exception(e, self.app.debug)
File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/webapp2-2.5.2/webapp2.py", line 570, in dispatch
return method(_args, *_kwargs)
File "/Users/s-hirano/workspace/gae-boilerplate/bp_includes/handlers.py", line 1418, in get
return self.render_template('home.html', **params)
File "/Users/s-hirano/workspace/gae-boilerplate/bp_includes/lib/basehandler.py", line 290, in render_template
'is_mobile': self.is_mobile,
File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/webapp2-2.5.2/webapp2.py", line 726, in get
value = self.func(obj)
File "/Users/s-hirano/workspace/gae-boilerplate/bp_includes/lib/basehandler.py", line 240, in is_mobile
return utils.set_device_cookie_and_return_bool(self)
File "/Users/s-hirano/workspace/gae-boilerplate/bp_includes/lib/utils.py", line 198, in set_device_cookie_and_return_bool
device_cookie = str(read_cookie(cls, "dvc"))
File "/Users/s-hirano/workspace/gae-boilerplate/bp_includes/lib/utils.py", line 110, in read_cookie
cls.cookie.load(string_cookie)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/Cookie.py", line 632, in load
self.__ParseString(rawdata)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/Cookie.py", line 665, in __ParseString
self.__set(K, rval, cval)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/Cookie.py", line 585, in __set
M.set(key, real_value, coded_value)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/Cookie.py", line 460, in set
raise CookieError("Illegal key value: %s" % key)
CookieError: Illegal key value: cc.sidebar/updates