python 2.7 - Google App Engine error: NeedIndexError: no matching index found -

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i'm having trouble google's app engine indexes. when running app via googleappenginelauncher, app working fine. when deploying app, following error:

needindexerror: no matching index found. suggested index query is: - kind: bar   ancestor: yes   properties:   - name: rating     direction: desc

the error generated after line of code:

 bars = bar_query.fetch(10)

before above line of code, reads:

bar_query = bar.query(ancestor=guestbook_key(guestbook_name)).order(-bar.rating)

my index.yaml file contains exact "suggested" index below # autogenerated:

- kind: bar   ancestor: yes   properties:   - name: rating     direction: desc

am maybe missing something? removed index.yaml file , deployed app again (via command-line) , 1 less file uploaded - index.yaml file there.

everything working fine locally. i'm working on latest mac osx. command used deployment was:

appcfg.py -a app-name --oauth2 update app

the datastore implemented loosely based on guestbook tutorial app.

any appreciated.

edit:

my ndb.model defined follow:

class bar(ndb.model):     content = ndb.stringproperty(indexed=false)     lat = ndb.floatproperty(indexed=false)     lon = ndb.floatproperty(indexed=false)     rating = ndb.integerproperty(indexed=true)     url = ndb.textproperty(indexed=false)

check https://appengine.google.com/datastore/indexes see if index present , status set "serving". it's possible index still being built.

the development environment emulates production environment. not have indexes in datastore sense.


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