sagemathgh-36652: src/sage/misc/sageinspect.py: Fix pycodestyle compl…

…aint

    
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https://github.com/sagemath/sage/actions/runs/6762300507/job/18378109764

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URL: sagemath#36652
Reported by: Matthias Köppe
Reviewer(s): Frédéric Chapoton