Exception when start a scan using hammer bot

[oleksii-dowjones]

I ran: scan account 123
Got this:
Traceback (most recent call last):
File "/usr/local/lib/python3.6/site-packages/slackbot/dispatcher.py", line 55, in _dispatch_msg_handler
func(Message(self._client, msg), *args)
File "/hammer-correlation-engine/bot/commands.py", line 322, in start_scan_conversation
return ask_question(message, 0)
File "/hammer-correlation-engine/bot/commands.py", line 291, in ask_question
QUESTIONS[question_number]'question_func'
File "/hammer-correlation-engine/bot/commands.py", line 275, in ask_regions
supported_regions = config.aws.regions
File "/hammer-correlation-engine/library/config.py", line 466, in regions
ec2 = boto3.client('ec2')
File "/usr/local/lib/python3.6/site-packages/boto3/init.py", line 91, in client
return _get_default_session().client(*args, **kwargs)
File "/usr/local/lib/python3.6/site-packages/boto3/session.py", line 263, in client
aws_session_token=aws_session_token, config=config)
File "/root/.local/lib/python3.6/site-packages/botocore/session.py", line 838, in create_client
client_config=config, api_version=api_version)
File "/root/.local/lib/python3.6/site-packages/botocore/client.py", line 86, in create_client
verify, credentials, scoped_config, client_config, endpoint_bridge)
File "/root/.local/lib/python3.6/site-packages/botocore/client.py", line 328, in _get_client_args
verify, credentials, scoped_config, client_config, endpoint_bridge)
File "/root/.local/lib/python3.6/site-packages/botocore/args.py", line 73, in get_client_args
endpoint_url, is_secure, scoped_config)
File "/root/.local/lib/python3.6/site-packages/botocore/args.py", line 155, in compute_client_args
endpoint_bridge=endpoint_bridge,
File "/root/.local/lib/python3.6/site-packages/botocore/args.py", line 230, in _compute_endpoint_config
service_name, region_name, endpoint_url, is_secure)
File "/root/.local/lib/python3.6/site-packages/botocore/client.py", line 402, in resolve
service_name, region_name)
File "/root/.local/lib/python3.6/site-packages/botocore/regions.py", line 122, in construct_endpoint
partition, service_name, region_name)
File "/root/.local/lib/python3.6/site-packages/botocore/regions.py", line 135, in _endpoint_for_partition
raise NoRegionError()
botocore.exceptions.NoRegionError: You must specify a region.