Merge pull request #8 from Marmelatze/unknown-extension

fix error caused by unknown extension

lib/extensions.py

@@ -99,6 +99,9 @@ class Extensions:
             c.execute('SELECT title,version,state FROM extensions where extensionkey=?', (extension,))
             data = c.fetchone()
             print(Style.BRIGHT + '  [+] {}'.format(Fore.GREEN  + extension + Style.RESET_ALL))
+            if data is None:
+                print('   \u251c Extension ({}) is unknown'.format(extension))
+                continue
             print('   \u251c Extension Title: '.ljust(28) + '{}'.format(data[0]))
             print('   \u251c Extension Repo: '.ljust(28) + 'https://extensions.typo3.org/extension/{}'.format(extension))
             print('   \u251c Current Version: '.ljust(28) + '{} ({})'.format(data[1], data[2]))