[misc] May last round of bug corrections

pspec_new.py

@@ -434,7 +434,7 @@ parser.add_argument(
     "repo", help="RAMSES output repository", type=str, default=".", nargs="?"
 )
 parser.add_argument(
-    "iouts", help="output numbers", type=args.selection, default=":", nargs="?"
+    "iouts", help="output numbers", type=int, default=[1], nargs="+"
 )
 parser.add_argument(
     "outfile",
@@ -520,7 +520,7 @@ def main(arg):
     iouts = arg.iouts  # tools.select_outputs(arg.repo, arg.iouts)
 
     for iout in iouts:
-        print("Output %d" % iout)
+        print(f"Output {iout}")
         print("Load data")
         read_lvl = None
         if True:
@@ -933,7 +933,7 @@ if __name__ == "__main__":
 
 
 def pspec(**kwargs):
-    arg = parser.parse_args("")
+    arg = parser.parse_args("1")
     for kwarg in kwargs:
         setattr(arg, kwarg, kwargs[kwarg])
     main(arg)