https://buildd.debian.org/status/fetch.php?pkg=derpconf&arch=all&ver=0.8.3-3&stamp=1669044556&raw=0
...
/usr/bin/make test
make[2]: Entering directory '/<<PKGBUILDDIR>>'
<frozen importlib._bootstrap>:241: RuntimeWarning: greenlet.greenlet size changed, may indicate binary incompatibility. Expected 40 from C header, got 160 from PyObject
<frozen importlib._bootstrap>:241: RuntimeWarning: greenlet.greenlet size changed, may indicate binary incompatibility. Expected 40 from C header, got 160 from PyObject
<frozen importlib._bootstrap>:241: RuntimeWarning: greenlet.greenlet size changed, may indicate binary incompatibility. Expected 40 from C header, got 160 from PyObject
<frozen importlib._bootstrap>:241: RuntimeWarning: greenlet.greenlet size changed, may indicate binary incompatibility. Expected 40 from C header, got 160 from PyObject
<frozen importlib._bootstrap>:241: RuntimeWarning: greenlet.greenlet size changed, may indicate binary incompatibility. Expected 40 from C header, got 160 from PyObject
<frozen importlib._bootstrap>:241: RuntimeWarning: greenlet.greenlet size changed, may indicate binary incompatibility. Expected 40 from C header, got 160 from PyObject
<frozen importlib._bootstrap>:241: RuntimeWarning: greenlet.greenlet size changed, may indicate binary incompatibility. Expected 40 from C header, got 160 from PyObject
<frozen importlib._bootstrap>:241: RuntimeWarning: greenlet.greenlet size changed, may indicate binary incompatibility. Expected 40 from C header, got 160 from PyObject
Segmentation fault
make[2]: *** [Makefile:2: test] Error 139
This is due to:
https://sources.debian.org/src/python-gevent/22.10.2-1/CHANGES.rst/
...
22.10.2 (2022-10-31)
====================
Bugfixes
--------
- Update to greenlet 2.0. This fixes a deallocation issue that required
a change in greenlet's ABI. The design of greenlet 2.0 is intended to
prevent future fixes and enhancements from requiring an ABI change,
making it easier to update gevent and greenlet independently.
...