test.t.rast.accdetect stderr

+ g.region s=0 n=80 w=0 e=120 b=0 t=50 res=10 -p
+ r.mapcalc expr=temp_1 = 5
+ r.mapcalc expr=temp_2 = 10
+ r.mapcalc expr=temp_3 = 15
+ r.mapcalc expr=temp_4 = 20
+ r.mapcalc expr=temp_5 = 25
+ r.mapcalc expr=temp_6 = 30
+ t.create type=strds temporaltype=absolute output=temp_abs1 title=A test descr=A test
Default TGIS driver / database set to:
driver: sqlite
database: $GISDBASE/$LOCATION_NAME/$MAPSET/tgis/sqlite.db
WARNING: Temporal database connection defined as:
But database file does not exist.
Creating temporal database: /grassdata/tests-grassdata/piemonte_utm32_wgs84_grass7/__temporal_t_rast_accdetect_test.t.rast.accdetect/tgis/sqlite.db
+ t.register -i type=raster input=temp_abs1 maps=temp_1,temp_2,temp_3,temp_4,temp_5,temp_6 start=2001-01-01 increment=2 months
Gathering map information...
Registering maps in the temporal database...
Registering maps in the space time dataset...
0..Updating space time dataset...
+ t.rast.accumulate input=temp_abs1 output=temp_accumulation base=temp_acc limits=10,25 start=2001-01-01 gran=2 months cycle=12 months suffix=num%03
Processing cycle 2001-01-01 00:00:00 - 2002-01-01 00:00:00
Traceback (most recent call last):
  File "scripts/t.rast.accumulate", line 530, in <module>
  File "scripts/t.rast.accumulate", line 441, in main
    output=output_map_name, run_=False)
  File "etc/python/grass/pygrass/modules/interface/module.py", line 526, in __init__
    self.__call__(*args, **kargs)
  File "etc/python/grass/pygrass/modules/interface/module.py", line 564, in __call__
    self.inputs[key].value = val
  File "etc/python/grass/pygrass/modules/interface/parameter.py", line 189, in _set_value
    self._value, self._rawvalue = _check_value(self, value)
  File "etc/python/grass/pygrass/modules/interface/parameter.py", line 64, in _check_value
    raiseexcpet(exc, param, param.type, value)
  File "etc/python/grass/pygrass/modules/interface/parameter.py", line 31, in raiseexcpet
    raise ValueError(msg)
ValueError: The Parameter <input>, require: raster, get: <type 'str'> instead: [u'temp_1@__temporal_t_rast_accdetect_test.t.rast.accdetect']
The Parameter <input> require a string, <type 'unicode'> instead is provided: u'temp_1@__temporal_t_rast_accdetect_test.t.rast.accdetect'