fixed fpath?

config_ckdtree/config_ckdtree_r2b4_oce_r0004.py

@@ -52,7 +52,7 @@ if not os.path.exists(path_rgrid):
     os.makedirs(path_rgrid)
 if not os.path.exists(path_sections):
     os.makedirs(path_sections)
-fpath = f'{path_ckdtree}/../{tgname}_tgrid.nc'
+fpath = os.path.abspath(os.path.join(path_ckdtree, f"../{tgname}_tgrid.nc"))
 if not os.path.exists(fpath):
     os.symlink(os.path.join(path_tgrid, fname_tgrid), fpath)