Ainur Hakimov

I did not make any changes. Just downloaded repo and ran command from readme. I use ```Python 2.7.12```

unfortunately nothing has changed same mistake

Hi @ahjohannessen We are also interested in this feature. Is there any hope that you will do a review soon?

Not really. Metadata can only be sent with errors. On a successful response, empty metadata is constructed and sent inside methods. ```java @Override public void onError(Throwable t) { Metadata metadata...

How do you feel about trying to make compatible changes to the library? I'm talking about the possibility of implementing a server whose method could return a response with metadata....