However, the above fix doesn't work: cdef attributes can't have default values.
There's also a few more of these:
https://salsa.debian.org/science-team/pandas/commit/c6fc5d5ccbec7ca833ca6d2556ab7013aff4b065
- Bug#940679: pandas: FTBFS on amd64 - TestDateti... Rebecca N. Palmer
- Bug#940679: pandas: FTBFS on amd64 - TestD... Graham Inggs
- Bug#940679: pandas: FTBFS on amd64 - T... Gianfranco Costamagna
- Bug#940679: pandas: FTBFS on amd64... Gianfranco Costamagna
- Bug#940679: pandas: FTBFS on a... Rebecca N. Palmer
- Bug#940679: pandas: rando... Rebecca N. Palmer
- Bug#940679: pandas: r... Gianfranco Costamagna
- Bug#940679: panda... Rebecca N. Palmer
- Bug#940679: panda... Rebecca N. Palmer
- Bug#940679: panda... Rebecca N. Palmer
- Bug#940679: panda... Rebecca N. Palmer
- Bug#940679: cytho... Rebecca N. Palmer
- Processed: Re: Bug#940679: pandas: FTBFS o... Debian Bug Tracking System
- Processed: Re: Bug#940679: pandas: random ... Debian Bug Tracking System
- Processed: Re: Bug#940679: pandas: random ... Debian Bug Tracking System
- Processed: Re: Bug#940679: pandas: random ... Debian Bug Tracking System
- Processed (with 1 error): Re: Bug#940679: ... Debian Bug Tracking System
- Bug#940679: marked as done (cython3: gener... Debian Bug Tracking System