Do not set tp_print for Python 3.9
Python 3.9 dropped tp_print. This fixes the following compilation error:
src/segments.c:119:24: error: no member named 'tp_print' in 'struct _typeobject'
Python 3.9 dropped tp_print. This fixes the following compilation error:
src/segments.c:119:24: error: no member named 'tp_print' in 'struct _typeobject'