[Plugin Installer] Follow up 619558d

python/pyplugin_installer/installer.py

@@ -418,6 +418,7 @@ def uninstallPlugin(self, key, quiet=False):
   def addRepository(self):
     """ add new repository connection """
     dlg = QgsPluginInstallerRepositoryDialog( iface.mainWindow() )
+    dlg.editParams.setText(repositories.urlParams())
     dlg.checkBoxEnabled.setCheckState(Qt.Checked)
     if not dlg.exec_():
       return