Fix ruff found warning

bulletmark · bulletmark · commit c90e71bd178d · 2023-03-17T10:29:55.000+10:00
diff --git a/sleep_inhibitor.py b/sleep_inhibitor.py
@@ -119,7 +119,7 @@ def run(self):
 
                 res = subprocess.run(self.icmd)
 
-            if not (self.is_inhibiting is False):
+            if self.is_inhibiting is not False:
                 self.is_inhibiting = False
                 self.log(f'{self.name} is not inhibiting '
                         f'suspend (return={res.returncode})')
