python-3.5, timestamp to YYYYmmDDHHMMSS -

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hello every saturday workers! need convert timestamp yyyymmddhhmmss. following works well

    timestamp=now_var[27:38]                      # timestamp string  dth_now=(                               # string date heure      datetime.datetime.fromtimestamp(         int(timestamp)      ).strftime('%y%m%d_%h%m%s') )                                       # string

but gives alert

  file "c:\_python\kwh_compare.py", line 35, in <module> ).strftime('%y%m%d_%h%m%s') valueerror: invalid literal int() base 10: ''

where problem ? thanks

don't know api, "fromtimestamp" needs string instead of int?

otherwise try splitting in several operations

timestamp=now_var[27:38]  inttimestamp=int(timestamp) datetimestamp=datetime.datetime.fromtimestamp(inttimestamp) dth_now=datetimestamp.strftime('%y%m%d_%h%m%s')

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