chore(vscode): code action

https://code.visualstudio.com/updates/v1_85#_code-actions-on-save-and-auto

.vscode/settings.json

@@ -3,14 +3,13 @@
   "files.trimTrailingWhitespace": true,
   "files.insertFinalNewline": true,
   "files.trimFinalNewlines": true,
-  "python.formatting.provider": "none",
   "[python]": {
     "editor.defaultFormatter": "ms-python.black-formatter",
     "editor.formatOnSave": true,
     "editor.tabSize": 4,
     "editor.codeActionsOnSave": {
-      "source.fixAll": true,
-      "source.organizeImports": true
+      "source.fixAll": "explicit",
+      "source.organizeImports": "explicit"
     }
   },
   "[markdown]": {