Address recent ruff lint

Author: inducer

pudb/__init__.py

@@ -63,6 +63,8 @@ def db(self):
             set_interrupt_handler()
         dbg.set_trace(sys._getframe().f_back)
 
+        return None
+
     @property
     def go(self):
         dbg = _get_debugger()
@@ -72,6 +74,8 @@ def go(self):
             set_interrupt_handler()
         dbg.set_trace(sys._getframe().f_back, paused=False)
 
+        return None
+
 
 import builtins
 

pudb/test/test_var_view.py

@@ -280,7 +280,7 @@ def test_simple_values(self):
                                        label=str(label),
                                        value=value)
 
-        expected = [(str(_label), repr(x)) for _label, x in enumerate(values)]
+        expected = [(str(label_), repr(x)) for label_, x in enumerate(values)]
         received = self.walked_values()
         self.assertListEqual(expected, received)