[py] fix inadvertent code change in mutation_event

Author: titusfortner

py/selenium/webdriver/common/log.py

@@ -81,7 +81,7 @@ async def mutation_events(self) -> dict:
             yield event
 
         payload = json.loads(evnt.value.payload)
-        elements: list = self.driver.find_elements(By.CSS_SELECTOR, f"*[data-__webdriver_id={payload['target']}]")
+        elements: list = self.driver.find_elements(By.CSS_SELECTOR, f"*[data-__webdriver_id={payload['target']}")
         if not elements:
             elements.append(None)
         event["element"] = elements[0]