Update example_08.py

[aclerc]

Remove tmin so that entire simulation is plotted. Removing tmin=10 because with that setting only the final timestep of the simulation is loaded.

Description and Purpose

Before this change I was getting this plot when running example_08 which confused me because it appeared to be empty:

After comparing the variable fastout to IEA-15-240-RWT-UMaineSemi.out I realized only the last row of the file was being loaded and plotted. I tried removing tmin=10 and that worked. The plot after this change:

Type of change

What types of change is it?
Select the appropriate type(s) that describe this PR

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (non-backwards-compatible fix or feature)
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no API changes)
• Documentation update
• Maintenance update
• Other (please describe)

TODO Items General:

• Add example/test for new feature
• Update registry
• Run testing

TODO Items API Change:

• Update docs with API change
• Run update_rosco_discons.py in Test_Cases/
• Update DISCON schema

Github issues addressed, if one exists

Examples/Testing, if applicable

[dzalkind]

Thanks for contributing to this fix. I have merged it into #188 and it will make its way into develop soon.