Issues running under Python 3.6.8

[dkorel-copperleaf]

File "sensu-plugins-mongodb-2.1.0/bin/check-mongodb.py", line 48
    except ImportError, e:
                      ^
SyntaxError: invalid syntax

[dkorel-copperleaf]

running 2to3 over the check-mongodb.py file fixes this. Is there any plan for this project to be updated to python3?