removed a reference to a croniter version pip cannot find.

[MarcusSorealheis]

version 0.3.26 doesn't exist and is vausing problems on my machine.

See here: https://pypi.org/project/croniter/

[john-bodley]

@MarcusSorealheis this issue was already addressed in #7132.

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@d5e8d66). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #7150   +/-   ##
=========================================
  Coverage          ?   64.63%           
=========================================
  Files             ?      422           
  Lines             ?    20607           
  Branches          ?     2253           
=========================================
  Hits              ?    13320           
  Misses            ?     7165           
  Partials          ?      122

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[MarcusSorealheis]

thanks @john-bodley didn't see that. I'll close.