If you run openAppStore with a non-existing app name such as openAppStore(app='blah'), Cytoscape will open the Cytoscape App store web page and show 404 not found. We should check the app name first. If it is not existing, the function should not open the web page.
If you run openAppStore with a non-existing app name such as openAppStore(app='blah'), Cytoscape will open the Cytoscape App store web page and show 404 not found. We should check the app name first. If it is not existing, the function should not open the web page.