chore: resolve checkType porting note

[jcommelin]

---

[github-actions]

PR summary f7dca87dc7

Import changes for modified files

No significant changes to the import graph

Import changes for all files

Files	Import difference

---

Declarations diff

- Tor'_map_app'

You can run this locally as follows

## summary with just the declaration names:
./scripts/declarations_diff.sh <optional_commit>

## more verbose report:
./scripts/declarations_diff.sh long <optional_commit>

The doc-module for script/declarations_diff.sh contains some details about this script.

---

Decrease in tech debt: (relative, absolute) = (1.61, 0.00)

Current number	Change	Type
3146	-2	porting notes
4874	-1	exceptions for the docPrime linter

Current commit f7dca87dc7
Reference commit 1a7567c333

You can run this locally as

./scripts/technical-debt-metrics.sh pr_summary

• The relative value is the weighted sum of the differences with weight given by the inverse of the current value of the statistic.
• The absolute value is the relative value divided by the total sum of the inverses of the current values (i.e. the weighted average of the differences).

[Vierkantor]

LGTM!

bors d+

[mathlib-bors]

✌️ jcommelin can now approve this pull request. To approve and merge a pull request, simply reply with bors r+. More detailed instructions are available here.