[appimage] fix: not able to upgrade imported AppImage files (regression from 0.9.21)

CHANGELOG.md

@@ -29,7 +29,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
   
 - AppImage
   - trying to download a file without a URL associated with [#210](https://github.com/vinifmor/bauh/issues/210)
-  - regression: not able to import AppImage files (introduced in **0.9.21**)    
+  - regressions: 
+    - not able to import AppImage files (introduced in **0.9.21**)
+    - not able to upgrade imported AppImage files (introduced in **0.9.21**)
 
 - Arch
   - **wget** as a hard requirement for Arch package management

bauh/gems/appimage/controller.py

@@ -364,6 +364,9 @@ class AppImageManager(SoftwareManager):
         for req in requirements.to_upgrade:
             watcher.change_status("{} {} ({})...".format(self.i18n['manage_window.status.upgrading'], req.pkg.name, req.pkg.version))
 
+            download_data = None
+
+            if not req.pkg.imported:
                 download_data = self._download(req.pkg, watcher)
 
                 if not download_data: