Usage: rethinkdb import -d DIR [-c HOST:PORT] [--tls-cert FILENAME] [-p] [--password-file FILENAME]
      [--force] [-i (DB | DB.TABLE)] [--clients NUM]
      [--shards NUM_SHARDS] [--replicas NUM_REPLICAS]
  rethinkdb import -f FILE --table DB.TABLE [-c HOST:PORT] [--tls-cert FILENAME] [-p] [--password-file FILENAME]
      [--force] [--clients NUM] [--format (csv | json)] [--pkey PRIMARY_KEY]
      [--shards NUM_SHARDS] [--replicas NUM_REPLICAS]
      [--delimiter CHARACTER] [--custom-header FIELD,FIELD... [--no-header]]

rethinkdb-import: error: Unable to connect to server: Could not connect to localhost:28015. Error: [Errno 111] Connection refused