I also ran into this issue some time ago. Couldn't figure out why, but explicitly setting the end and start to some integer value when building the `PeriodicImpulse` transform could be a workaround.
On Mon, Dec 21, 2020 at 4:19 AM Manninger, Matyas < matyas.mannin...@veolia.com> wrote: > Dear Beam users, > > In the python SDK I tried using the PeriodicImpulse but seems like there > is an internal bug. In the periodicsequence.py on line 42 there is a > division where a type Duration is being divided, but no division operation > is defined. What am I missing? Is there a workaround to this? Here is the > error message that lead to this "discovery": > File > "/home/user/.virtualenvs/dflowenv/lib/python3.8/site-packages/apache_beam/transforms/periodicsequence.py", > line 42, in initial_restriction > total_outputs = math.ceil((end - start) / interval) > TypeError: unsupported operand type(s) for /: 'Duration' and 'Duration' > [while running 'read/periodic_impulse/GenSequence/PairWithRestriction'] > >
