qtvcp -fix error message when last_path is not valid

Author: c-morley

lib/python/qtvcp/widgets/file_manager.py

@@ -157,8 +157,12 @@ def getCurrentSelected(self):
     def _hal_init(self):
         if self.PREFS_:
             last_path = self.PREFS_.getpref('last_loaded_directory', self.default_path, str, 'BOOK_KEEPING')
-            self.updateDirectoryView(last_path)
-            LOG.debug("lAST FILE PATH: {}".format(last_path))
+           LOG.debug("lAST FILE PATH: {}".format(last_path))
+            if not last_path == '' and os.path.exists(last_path):
+                self.updateDirectoryView(last_path)
+            else:
+                self.updateDirectoryView(self.default_path)
+
         else:
             LOG.debug("lAST FILE PATH: {}".format(self.default_path))
             self.updateDirectoryView(self.default_path)