Run of fresh-snapshots for fastapi

Try this locally package):

debcheckout fastapi
cd fastapi
new-upstream --snapshot
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dpkg-source: info: using options from fastapi-0.63.0/debian/source/options: --extend-diff-ignore=^[^/]*[.]egg-info/
dpkg-source: info: using patch list from debian/patches/series
dpkg-source: info: applying remove-test-requiring-orjson.patch
dpkg-source: info: applying remove-test-tutorial-005
dpkg-source: info: applying fix-for-new-starlette.patch
dpkg-source: info: applying use-setuptools.patch
dpkg-source: error: LC_ALL=C patch -t -F 0 -N -p1 -u -V never -E -b -B .pc/use-setuptools.patch/ --reject-file=- < fastapi-0.63.0/debian/patches/use-setuptools.patch subprocess returned exit status 1
can't find file to patch at input line 21
Perhaps you used the wrong -p or --strip option?
The text leading up to this was:
--------------------------
|From: Sophie Brun <sophie@offensive-security.com>
|Date: Thu, 4 Feb 2021 15:32:40 +0100
|Subject: Use setuptools
|

Summary

new-upstream --snapshot

Full worker log Full build log