Unverified HTTPS request

We sometimes see this error, but not always:

/usr/local/lib/python2.7/dist-packages/requests/packages/urllib3/connectionpool.py:838: InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/security.html

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information