make path to message file absolute

autoreply_editor/main.py

@@ -62,7 +62,13 @@ def check_user(user):
 
 def get_messagefile(user):
     """Return message file of user, and create if necessary"""
-    filepath = f"message-{user}.txt"
+    # Path of the project
+    gitpath = str(Path(app.root_path).parent)
+    # File name of the message
+    filename = f"message-{user}.txt"
+    # Combine path
+    filepath = os.path.join(gitpath, filename)
+
     if not os.path.isfile(filepath):
         Path(filepath).touch()