Fix flake8 & address lints

Author: FichteFoll

.flake8

@@ -1,8 +1,10 @@
 [flake8]
 
 ignore =
-    E731, # do not assign a lambda expression, use a def
-    W503, # line break before binary operator
+    # do not assign a lambda expression, use a def
+    E731,
+    # line break before binary operator
+    W503,
 
 exclude =
     .git,

src/sublime_lib/flags.py

@@ -39,7 +39,6 @@
 from ._util.enum import ExtensibleConstructorMeta, construct_union, construct_with_alternatives
 
 
-
 __all__ = [
     'DialogResult', 'PointClass', 'FindOption', 'RegionOption',
     'PopupOption', 'PhantomLayout', 'OpenFileOption', 'QuickPanelOption',

src/sublime_lib/settings_dict.py

@@ -53,7 +53,7 @@ def __eq__(self, other: object) -> bool:
         and refer to the same underlying settings data.
         """
         return (
-            type(self) == type(other)
+            type(self) is type(other)
             and isinstance(other, SettingsDict)
             and self.settings.settings_id == other.settings.settings_id
         )