It Does Not Display/Print Anything!

[mohsen-azimi]

~/UPS-Power-Module$ python3 -m ups_display.ina219
Traceback (most recent call last):
File "/usr/lib/python3.6/runpy.py", line 193, in _run_module_as_main
"main", mod_spec)
File "/usr/lib/python3.6/runpy.py", line 85, in _run_code
exec(code, run_globals)
File "/home/mohsen/UPS-Power-Module/ups_display/ina219.py", line 194, in
ina219 = INA219(addr=0x42)
File "/home/mohsen/UPS-Power-Module/ups_display/ina219.py", line 68, in init
self.set_calibration_32V_2A()
File "/home/mohsen/UPS-Power-Module/ups_display/ina219.py", line 151, in set_calibration_32V_2A
self.write(_REG_CALIBRATION,self._cal_value)
File "/home/mohsen/UPS-Power-Module/ups_display/ina219.py", line 78, in write
self.bus.write_i2c_block_data(self.addr,address,temp)
TimeoutError: [Errno 110] Connection timed out