I have this piece of code in my Django project and 'start' is printed but I never see 'end'.

from google.cloud import logging
logging_client = logging.Client()
log_name = 'frontend'
logger = logging_client.logger(log_name)
print 'start'
print logger.project
logger.log_text('test')
print 'end'

Also, if I set

logging_client._use_grpc = False

It won't freeze, but I don't see my log in stackdriver.
It will work!

BTW, I also see this error in test cases but not in production env:

RetryError: GaxError(Exception occurred in retry method that was not classified as transient, caused by <_Rendezvous of RPC that terminated with (StatusCode.DEADLINE_EXCEEDED, Deadline Exceeded)>)

[UPDATE] It works fine locally, but when I deploy everything to kubenetes with Apache, I keep getting the same problem (log_text freezes).
[UPDATE] With logging_client._use_grpc = False, it just works for me on kubenetes. It seems the grpc call will just freeze.