list_logs hangs #71

from google.cloud import logging
client = logging.Client()
logger = client.logger('log_name')
for entry in logger.list_entries():
    print(entry.payload)

   ncalls  tottime  percall  cumtime  percall filename:lineno(function)
       18  290.233   16.124  290.236   16.124 {method 'next_event' of 'grpc._cython.cygrpc.SegregatedCall' objects}
    33/32    0.063    0.002    0.066    0.002 {built-in method _imp.create_dynamic}
      529    0.043    0.000    0.043    0.000 {built-in method marshal.loads}
1901/1889    0.023    0.000    0.115    0.000 {built-in method builtins.__build_class__}
 1166/231    0.018    0.000    0.049    0.000 sre_parse.py:493(_parse)
     3802    0.018    0.000    0.018    0.000 {built-in method posix.stat}