Linting code

src/window.py

@@ -16,6 +16,9 @@
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
+"""
+Handles the main window
+"""
 
 import gi
 gi.require_version('GtkSource', '5')