[py] fix lint errors

Author: titusfortner

py/selenium/webdriver/chromium/options.py

@@ -143,7 +143,8 @@ def headless(self) -> bool:
         """
         warnings.warn(
             "headless property is deprecated, instead check for '--headless' in arguments",
-            DeprecationWarning, stacklevel=2
+            DeprecationWarning,
+            stacklevel=2
         )
         return "--headless" in self._arguments
 
@@ -159,7 +160,8 @@ def headless(self, value: bool) -> None:
         """
         warnings.warn(
             "headless property is deprecated, instead use add_argument('--headless') or add_argument('--headless=new')",
-            DeprecationWarning, stacklevel=2
+            DeprecationWarning,
+            stacklevel=2
         )
         args = {"--headless"}
         if value is True:

py/selenium/webdriver/firefox/options.py

@@ -108,7 +108,8 @@ def headless(self) -> bool:
         """
         warnings.warn(
             "headless property is deprecated, instead check for '-headless' in arguments",
-            DeprecationWarning, stacklevel=2
+            DeprecationWarning,
+            stacklevel=2
         )
         return "-headless" in self._arguments
 
@@ -120,8 +121,7 @@ def headless(self, value: bool) -> None:
           value: boolean value indicating to set the headless option
         """
         warnings.warn(
-            "headless property is deprecated, instead use add_argument('-headless')",
-            DeprecationWarning, stacklevel=2
+            "headless property is deprecated, instead use add_argument('-headless')", DeprecationWarning, stacklevel=2
         )
         if value:
             self._arguments.append("-headless")