minemeld-web fails to start after Ubuntu update

[hkelley]

Describe the bug

Minemeld-web fails to start after Ubuntu update

[2021-06-25 08:47:21 EDT] [2216] [INFO] Config loaded: {'MINEMELD_LOCAL_LIBRARY_PATH': '/opt/minemeld/local/library', 'USERS_DB': 'wsgi.htpasswd', 'MINEMELD_LOCAL_PROTOTYPE_PATH': '/opt/minemeld/local/prototypes', 'SUPERVISOR_URL': 'unix:///var/run/minemeld/minemeld.sock', 'API_USERS_ATTRS': {}, 'MINEMELD_PROTOTYPE_PATH': '/opt/minemeld/local/prototypes:/opt/minemeld/prototypes/current', 'MINEMELD_PIP_PATH': '/opt/minemeld/engine/current/bin/pip', 'MINEMELD_TRACED_PURGE_PATH': '/opt/minemeld/engine/current/bin/mm-traced-purge', 'API_AUTH_ENABLED': True, 'MINEMELD_LOG_DIRECTORY_PATH': '/opt/minemeld/log', 'MINEMELD_7Z_PATH': '/usr/bin/7z', 'MINEMELD_LOCAL_PATH': '/opt/minemeld/local', 'MINEMELD_GIT_PATH': '/usr/bin/git', 'SNS_ENABLED': True}
[2021-06-25 08:47:21 EDT] [2216] [INFO] USERS_DB loaded from /opt/minemeld/local/config/api/wsgi.htpasswd
[2021-06-25 08:47:21 EDT] [2216] [INFO] FEEDS_USERS_DB loaded from /opt/minemeld/local/config/api/feeds.htpasswd
[2021-06-25 08:47:22 EDT] [2216] [INFO] Loading blueprint from taxiing
[2021-06-25 08:47:22 +0000] [2216] [ERROR] Exception in worker process
Traceback (most recent call last):
  File "/opt/minemeld/engine/current/local/lib/python2.7/site-packages/gunicorn/arbiter.py", line 517, in spawn_worker
    worker.init_process()
  File "/opt/minemeld/engine/current/local/lib/python2.7/site-packages/gunicorn/workers/ggevent.py", line 190, in init_process
    super(GeventWorker, self).init_process()
  File "/opt/minemeld/engine/current/local/lib/python2.7/site-packages/gunicorn/workers/base.py", line 122, in init_process
    self.load_wsgi()
  File "/opt/minemeld/engine/current/local/lib/python2.7/site-packages/gunicorn/workers/base.py", line 132, in load_wsgi
    self.wsgi = self.app.wsgi()
  File "/opt/minemeld/engine/current/local/lib/python2.7/site-packages/gunicorn/app/base.py", line 67, in wsgi
    self.callable = self.load()
  File "/opt/minemeld/engine/current/local/lib/python2.7/site-packages/gunicorn/app/wsgiapp.py", line 65, in load
    return self.load_wsgiapp()
  File "/opt/minemeld/engine/current/local/lib/python2.7/site-packages/gunicorn/app/wsgiapp.py", line 52, in load_wsgiapp
    return util.import_app(self.app_uri)
  File "/opt/minemeld/engine/current/local/lib/python2.7/site-packages/gunicorn/util.py", line 357, in import_app
    __import__(module)
  File "/opt/minemeld/engine/core/minemeld/flask/main.py", line 3, in <module>
    app = create_app()
  File "/opt/minemeld/engine/core/minemeld/flask/__init__.py", line 113, in create_app
    app.register_blueprint(bprint)
  File "/opt/minemeld/engine/current/local/lib/python2.7/site-packages/flask/app.py", line 64, in wrapper_func
    return f(self, *args, **kwargs)
  File "/opt/minemeld/engine/current/local/lib/python2.7/site-packages/flask/app.py", line 941, in register_blueprint
    if blueprint.name in self.blueprints:
AttributeError: 'function' object has no attribute 'name'

• Version used: 0.9.52
• Operating System:
  Distributor ID: Ubuntu
  Description: Ubuntu 16.04.7 LTS
  Release: 16.04
  Codename: xenial

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