Fix for compatibility with py3 iterators.

py3 iterators need a __next__() method, while py2 used next().
10 jobs for py3-iter-20210802 in 0 seconds (queued for 60 minutes and 23 seconds)
latest
Status Name Job ID Coverage
  Test
failed build_x86_64-centos7-clang10-dbg_dev3 #15888894
centos7

failed build_x86_64-centos7-clang10-opt_dev3 #15888895
centos7

failed build_x86_64-centos7-gcc10-dbg_dev3 #15888896
centos7

failed build_x86_64-centos7-gcc10-opt_dev3 #15888897
centos7

failed build_x86_64-centos7-gcc8-dbg_dev3 #15888898
centos7

failed build_x86_64-centos7-gcc8-opt_dev3 #15888899
centos7

failed build_x86_64-centos7-gcc8-opt_dev3python2 #15888902
centos7

failed build_x86_64-centos7-gcc9-dbg_dev3 #15888900
centos7

failed build_x86_64-centos7-gcc9-opt_dev3 #15888901
centos7

failed build_x86_64-centos7-gcc9-opt_dev3python2 #15888903
centos7

 
Name Stage Failure
failed
build_x86_64-centos7-gcc9-opt_dev3python2 Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
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failed
build_x86_64-centos7-gcc9-opt_dev3 Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
No job log
failed
build_x86_64-centos7-gcc9-dbg_dev3 Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
No job log
failed
build_x86_64-centos7-gcc8-opt_dev3 Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
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failed
build_x86_64-centos7-gcc10-dbg_dev3 Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
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failed
build_x86_64-centos7-clang10-dbg_dev3 Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
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failed
build_x86_64-centos7-gcc8-opt_dev3python2 Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
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failed
build_x86_64-centos7-gcc8-dbg_dev3 Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
No job log
failed
build_x86_64-centos7-gcc10-opt_dev3 Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
No job log
failed
build_x86_64-centos7-clang10-opt_dev3 Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
No job log