test_simple stdout

Traceback (most recent call last):
  File "scripts/t.rast.accdetect", line 599, in <module>
    main()
  File "scripts/t.rast.accdetect", line 291, in main
    end = tgis.increment_datetime_by_string(start, cycle)
  File "etc/python/grass/temporal/datetime_math.py", line 209, in increment_datetime_by_string
    return modify_datetime_by_string(mydate, increment, mult, sign=int(1))
  File "etc/python/grass/temporal/datetime_math.py", line 277, in modify_datetime_by_string
    minutes, seconds)
  File "etc/python/grass/temporal/datetime_math.py", line 299, in modify_datetime
    year = mydate.year
AttributeError: 'NoneType' object has no attribute 'year'


Traceback (most recent call last):
  File "scripts/t.rast.accdetect", line 599, in <module>
    main()
  File "scripts/t.rast.accdetect", line 291, in main
    end = tgis.increment_datetime_by_string(start, cycle)
  File "etc/python/grass/temporal/datetime_math.py", line 209, in increment_datetime_by_string
    return modify_datetime_by_string(mydate, increment, mult, sign=int(1))
  File "etc/python/grass/temporal/datetime_math.py", line 277, in modify_datetime_by_string
    minutes, seconds)
  File "etc/python/grass/temporal/datetime_math.py", line 299, in modify_datetime
    year = mydate.year
AttributeError: 'NoneType' object has no attribute 'year'


Traceback (most recent call last):
  File "scripts/t.rast.accdetect", line 599, in <module>
    main()
  File "scripts/t.rast.accdetect", line 291, in main
    end = tgis.increment_datetime_by_string(start, cycle)
  File "etc/python/grass/temporal/datetime_math.py", line 209, in increment_datetime_by_string
    return modify_datetime_by_string(mydate, increment, mult, sign=int(1))
  File "etc/python/grass/temporal/datetime_math.py", line 277, in modify_datetime_by_string
    minutes, seconds)
  File "etc/python/grass/temporal/datetime_math.py", line 299, in modify_datetime
    year = mydate.year
AttributeError: 'NoneType' object has no attribute 'year'


Traceback (most recent call last):
  File "scripts/t.rast.accdetect", line 599, in <module>
    main()
  File "scripts/t.rast.accdetect", line 291, in main
    end = tgis.increment_datetime_by_string(start, cycle)
  File "etc/python/grass/temporal/datetime_math.py", line 209, in increment_datetime_by_string
    return modify_datetime_by_string(mydate, increment, mult, sign=int(1))
  File "etc/python/grass/temporal/datetime_math.py", line 277, in modify_datetime_by_string
    minutes, seconds)
  File "etc/python/grass/temporal/datetime_math.py", line 299, in modify_datetime
    year = mydate.year
AttributeError: 'NoneType' object has no attribute 'year'