Jeremiah@pdp10.guru writes:

> Currently python@3.7.0 fails to build on low memory systems;
> despite actually building successfully.
>
> The diff required to disable the test is as follows:
> diff --git a/gnu/packages/python.scm b/gnu/packages/python.scm
> index 11f3aacf00..75afeba2a1 100644
> --- a/gnu/packages/python.scm
> +++ b/gnu/packages/python.scm
> @@ -310,6 +310,8 @@ data types.")
>                                ;; memory on some systems:
>                                ;; <https://bugs.python.org/issue34587>
>                                "Lib/test/test_socket.py"
> +                              ;; Allow python to be built on lower memory systems
> +                              "Lib/test/test_mmap.py"
>  
>                                ;; These tests fail on AArch64.
>                                "Lib/ctypes/test/test_win32.py"

Thanks!  Pushed in e7041c8ef8b9137f40e0a5377b8224314168e226.