add support for parsing script

Signed-off-by: vsoch <[email protected]>

jobspec/transformer/flux/steps.py

@@ -90,7 +90,7 @@ def write_job_script(self, command):
         # Clean up (activate later)
         command += f"\n#rm -rf {tmpfile}"
         utils.write_file(command, tmpfile)
-        return [terms["executable", tmpfile]]
+        return [terms["executable"], tmpfile]
 
     def prepare(self, command=None, waitable=False):
         """