Mentat

Hawat events search returns 500 if an IP address range entered in prefix format has host bits set, for example 1.2.3.0/23.
Here is the full error:

Message type: ERROR
Location:     /var/mentat/venv/lib/python3.7/site-packages/flask/app.py:1891
Module:       app
Function:     log_exception
Time:         2020-02-20 15:31:41,054

Message:

Exception on /events/search [GET]
Traceback (most recent call last):
  File "/var/mentat/venv/lib/python3.7/site-packages/flask/app.py", line 2446, in wsgi_app
    response = self.full_dispatch_request()
  File "/var/mentat/venv/lib/python3.7/site-packages/flask/app.py", line 1951, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/var/mentat/venv/lib/python3.7/site-packages/flask/app.py", line 1820, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/var/mentat/venv/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/var/mentat/venv/lib/python3.7/site-packages/flask/app.py", line 1949, in full_dispatch_request
    rv = self.dispatch_request()
  File "/var/mentat/venv/lib/python3.7/site-packages/flask/app.py", line 1935, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/var/mentat/venv/lib/python3.7/site-packages/flask_principal.py", line 199, in _decorated
    rv = f(*args, **kw)
  File "/var/mentat/venv/lib/python3.7/site-packages/flask_login/utils.py", line 261, in decorated_view
    return func(*args, **kwargs)
  File "/var/mentat/venv/lib/python3.7/site-packages/flask/views.py", line 89, in view
    return self.dispatch_request(*args, **kwargs)
  File "/var/mentat/venv/lib/python3.7/site-packages/hawat/base.py", line 1612, in dispatch_request
    items = items,
UnboundLocalError: local variable 'items' referenced before assignment