py3.9-scipy.tcz
   glibc_add_lib.tcz
   py3.9-numpy-with-openblas.tcz
      openblas.tcz
         gfortran-lib.tcz
            gcc_libs.tcz
      python3.9.tcz
         openssl.tcz
         sqlite3.tcz
         gdbm.tcz
         bzip2-lib.tcz
         liblzma.tcz
         readline.tcz
            ncursesw.tcz
         libffi.tcz