NoneType object has not attribute get

[willyd]

NoneType object has not attribute get

Tensorhive works great but I get the error messages below on every startup. Everything seems to work fine. Is this something I should worry about?

INFO     | 2022-09-29 07:57:41 | MainThread                     | MSG: [⚙] Starting Vue web app with gunicorn backend                                  | FROM: tensorhive.app.web.AppServer
INFO     | 2022-09-29 07:57:41 | MainThread                     | MSG: [✔] Web App available at: http://0.0.0.0:5000                     | FROM: tensorhive.app.web.AppServer
ERROR    | 2022-09-29 07:57:41 | UsageLoggingService_Thread-4   | MSG: 'NoneType' object has no attribute 'get'                               | FROM: tensorhive.core.services.UsageLoggingService
ERROR    | 2022-09-29 07:57:41 | UsageLoggingService_Thread-4   | MSG: 'NoneType' object has no attribute 'get'                               | FROM: tensorhive.core.services.UsageLoggingService

Your environment

List relevant info:

• Ubuntu 18.04
• TensorHive 1.1.0
• 1 Node with 4 GPU RTX 2080 Ti and 1 Node with 2 Titan RTX
• Env:

alembic==1.0.3
bcrypt==3.1.7
certifi==2020.12.5
cffi==1.14.5
chardet==4.0.0
Click==7.0
clickclick==20.10.2
coloredlogs==10.0
connexion==2.5.0
cryptography==3.2.1
Flask==1.1.4
Flask-Cors==3.0.9
Flask-JWT-Extended==3.13.1
gevent==21.1.2
greenlet==1.1.0
gunicorn==19.9.0
humanfriendly==9.1
idna==2.10
inflection==0.5.1
itsdangerous==1.1.0
Jinja2==2.11.3
jsonschema==2.6.0
Mako==1.1.4
MarkupSafe==1.1.1
openapi-spec-validator==0.2.9
parallel-ssh==1.9.1
paramiko==2.7.2
passlib==1.7.1
pkg-resources==0.0.0
pycparser==2.20
PyJWT==1.7.1
PyNaCl==1.4.0
python-dateutil==2.8.1
python-editor==1.0.4
python-usernames==0.2.3
PyYAML==5.3.1
requests==2.25.1
Safe==0.4
six==1.16.0
SQLAlchemy==1.3.0
SQLAlchemy-Utils==0.33.8
ssh2-python==0.26.0
stringcase==1.2.0
swagger-ui-bundle==0.0.8
tensorhive==1.1.0
urllib3==1.26.5
Werkzeug==0.16.1
zope.event==4.5.0
zope.interface==5.4.0

Steps to reproduce

• Activate virtual environment
• Launch tensorhive

Expected behaviour

No Error messages

Actual behaviour

Error messages corresponding to attribute error on NoneType object.

[willyd]

This line is causing the error:
https://github.com/roscisz/TensorHive/blob/master/tensorhive/core/services/UsageLoggingService.py#L237
Would it make sense to change it to:

# gpu_data = infrastructure[hostname].get('GPU').get(uuid)
gpu_data = infrastructure[hostname].get('GPU', {}).get(uuid)

?