test.t.rast3d.extract stderr

+ g.region s=0 n=80 w=0 e=120 b=0 t=50 res=10 res3=10 -p3
+ r3.mapcalc --o expr=prec_1 = rand(0, 550) -s
+ r3.mapcalc --o expr=prec_2 = rand(0, 450) -s
+ r3.mapcalc --o expr=prec_3 = rand(0, 320) -s
+ r3.mapcalc --o expr=prec_4 = rand(0, 510) -s
+ r3.mapcalc --o expr=prec_5 = rand(0, 300) -s
+ r3.mapcalc --o expr=prec_6 = rand(0, 650) -s
+ t.create --o type=str3ds temporaltype=absolute output=precip_abs1 title=A test descr=A test
Default TGIS driver / database set to:
driver: sqlite
Creating temporal database:
+ t.register -i type=rast3d input=precip_abs1 maps=prec_1,prec_2,prec_3,prec_4,prec_5,prec_6 start=2001-01-01 increment=3 months
Gathering map information...
   0% 100%
Registering maps in the temporal database...
Registering maps in the space time raster dataset...
   0%Updating space time raster dataset...
+ t.rast3d.extract --o input=precip_abs1 output=precip_abs2 where=start_time > '2001-06-01' expression= if(precip_abs1 > 400, precip_abs1, null()) base=new_prec
   0%   0%Traceback (most recent call last):
  File "scripts/t.rast3d.extract", line 87, in <module>
  File "scripts/t.rast3d.extract", line 83, in main
    base, nprocs, register_null)
  File "etc/python/grass/temporal/extract.py", line 170, in extract_dataset
    new_sp = open_new_stds(output, type, sp.get_temporal_type(), title.
AttributeError: 'unicode' object has no attribute 'description'