Create table Hello-Bigtable
Traceback (most recent call last):
  File "hello.py", line 119, in <module>
    main()
  File "hello.py", line 95, in main
    table = create_table(connection, TABLE_NAME, COLUMN_FAMILY_NAME)
  File "hello.py", line 76, in create_table
    column_family_name: dict()  # Use default options.
  File "/usr/local/google/home/swast/venv/bigtable_helloworld/local/lib/python2.7/site-packages/gcloud/bigtable/happybase/connection.py", line 341, in create_table
    low_level_table.create()
  File "/usr/local/google/home/swast/venv/bigtable_helloworld/local/lib/python2.7/site-packages/gcloud/bigtable/table.py", line 177, in create
    client._table_stub.CreateTable(request_pb, client.timeout_seconds)
  File "/usr/local/google/home/swast/venv/bigtable_helloworld/local/lib/python2.7/site-packages/grpc/framework/crust/implementations.py", line 75, in __call__
    protocol_options, metadata, request)
  File "/usr/local/google/home/swast/venv/bigtable_helloworld/local/lib/python2.7/site-packages/grpc/framework/crust/_calls.py", line 109, in blocking_unary_unary
    return next(rendezvous)
  File "/usr/local/google/home/swast/venv/bigtable_helloworld/local/lib/python2.7/site-packages/grpc/framework/crust/_control.py", line 415, in next
    raise self._termination.abortion_error
grpc.framework.interfaces.face.face.NetworkError: NetworkError(code=StatusCode.ALREADY_EXISTS, details="Error while creating table Hello-Bigtable in cluster projects/swast-bigtable-examples/zones/us-central1-c/clusters/my-cluster : Transaction Failed : Cannot re-create existing table: Hello-Bigtable")

from gcloud import bigtable
from gcloud.bigtable import happybase
from grpc.framework.interfaces.face import face as grpcface


TABLE_NAME = 'Hello-Bigtable'
COLUMN_FAMILY_NAME = 'cf1'


def create_table(connection, table_name, column_family_name):
    try:
        connection.create_table(
            table_name,
            {
                column_family_name: dict()  # Use default options.
            })
    except grpcface.NetworkError as exp:
        if exp.code != interfaces.StatusCode.ALREADY_EXISTS:
            raise
        print("Table already exists.")
    return connection.table(table_name)


client = bigtable.Client(project=args.project, admin=True)
with client:
    cluster = client.cluster('us-central1-c', 'my-cluster')
    cluster.reload()
    connection = happybase.Connection(cluster=cluster)
    print connection.tables()

    print('Create table {0}'.format(TABLE_NAME))
    table = create_table(connection, TABLE_NAME, COLUMN_FAMILY_NAME)