FIX: update error handler section 13

Author: LUS24

curriculum/section13/lectures/04_encrypt_passwords_passlib/start/app/__init__.py

@@ -60,5 +60,5 @@ def signup():
 
 
 @app.errorhandler(401)
-def auth_error():
+def auth_error(error):
     return "Not authorized"

curriculum/section13/lectures/05_login_required_decorator/start/app/__init__.py

@@ -61,5 +61,5 @@ def signup():
 
 
 @app.errorhandler(401)
-def auth_error():
+def auth_error(error):
     return "Not authorized"