Fix ExpandingWindow.py: better handling of missing json files
Fix ExpandingWindow.py: better handling of missing json files

Simply moved the portion that reads the file data into
the data containers insise the try/catch block.

tobeycarman/dvm-dos-tem,tobeycarman/dvm-dos-tem,tobeycarman/dvm-dos-tem,tobeycarman/dvm-dos-tem,tobeycarman/dvm-dos-tem,tobeycarman/dvm-dos-tem