-$(srcdir)/doc/ni.texi: $(top_srcdir)/src/language/command.def doc/get-commands.pl
- $(AM_V_GEN)$(PERL) $(top_srcdir)/doc/get-commands.pl $(top_srcdir)/src/language/command.def > $@
+$(srcdir)/doc/ni.texi: $(top_srcdir)/src/language/command.def doc/get-commands.py
+ $(AM_V_GEN)$(PYTHON3) $(top_srcdir)/doc/get-commands.py $(top_srcdir)/src/language/command.def > $@