Fix exportvcalendar error is "is not" with a literal (Python 3.8 issue) (#1135)

Fixes #12000
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Paul Culley 2021-02-19 11:31:06 -06:00 committed by GitHub
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commit f6bfb46fc0
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@ -202,7 +202,7 @@ class CalendarWriter:
date = event.get_date_object() date = event.get_date_object()
place_handle = event.get_place_handle() place_handle = event.get_place_handle()
date_string = self.format_date(date, 1) date_string = self.format_date(date, 1)
if date_string is not "": if date_string != "":
# self.writeln("") # self.writeln("")
self.writeln("BEGIN:VEVENT") self.writeln("BEGIN:VEVENT")
time_s = time.gmtime(event.change) time_s = time.gmtime(event.change)