cli: Add --slice constraint

nabu/resources/cli/reconstruct.py

@@ -45,6 +45,13 @@ def main():
         logfile=args["log_file"]
     )
 
+    # For now we need the --slice argument
+    if args["slice"].strip() == "":
+        msg = "Need to provide the --slice argument (ex. --slice 1024 or --slice 0-1024)"
+        logger.fatal(msg)
+        exit(1)
+    #
+
     subregion = get_subregion(
         args["slice"],
         proc.dataset_infos.radio_dims[-1]