- nr1 = tbl_item[int(args[1])]["data"]
- nr2 = tbl_item[int(args[2])]["data"]
- if nr1 and nr2:
- tbl_item.append({"data": eval(operation)(nr1, nr2)})
- else:
+ try:
+ nr1 = float(tbl_item[int(args[1])]["data"])
+ nr2 = float(tbl_item[int(args[2])]["data"])
+ if nr1 and nr2:
+ tbl_item.append({"data": eval(operation)(nr1, nr2)})
+ else:
+ tbl_item.append({"data": None})
+ except (IndexError, ValueError, TypeError):
+ logging.error("No data for {0}".format(tbl_item[1]["data"]))