snapper.py code execution error

[sebasppr]

python3 snapper.py --test
2021-09-23 12:04:07,046 creating an instance of PyQtIndi.IndiClient
INDI::BaseClient::connectServer: creating new connection...
INDI::BaseClient::connectServer: Already connected.
Server connected (localhost:7624)
2021-09-23 12:04:07,046 Set new device SX CCD SuperStar!
2021-09-23 12:04:07,046 Got property CONNECTION for <PyIndi.BaseDevice; proxy of <Swig Object of type 'INDI::BaseDevice *' at 0x7fe72e381cf0> >!
2021-09-23 12:04:07,048 new Text DRIVER_INFO for device SX CCD SuperStar
2021-09-23 12:04:07,048 new Switch CONNECTION for device SX CCD SuperStar
2021-09-23 12:04:07,048 <<<<<<<< Exposure >>>>>>>>>
Traceback (most recent call last):
File "/home/sebastian/Documentos/pyOculus-master/indiclient.py", line 32, in newProperty
self.takeExposure()
File "/home/sebastian/Documentos/pyOculus-master/indiclient.py", line 71, in takeExposure
exp[0].value = self.exptime
TypeError: 'INumberPropertyview' object does not support indexing
BaseClient::~BaseClient: Probability of detecting a deadlock.

that object indexing faill