As of Python3.8 the pymalloc variant (python3.8m) has been removed.
While your build configuration targets Python3.7
you should keep in mind that Python3.8 was released in 2019 (at time of writing this is two years ago), and you probably should support current releases out of the box ;-)
As of Python3.8 the pymalloc variant (python3.8m) has been removed.
While your build configuration targets
Python3.7py/build/config-lnx.def
Line 10 in 35138a0