add black formatter

flake.lock

@@ -41,11 +41,11 @@
         "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1723426320,
-        "narHash": "sha256-phnfLdQur8SvDD2/3DZkdKPlHxUuwKRf3YF8Wv2CBnk=",
+        "lastModified": 1723771785,
+        "narHash": "sha256-zEpAVIz2XaHnkS+2vIZ4Vg4QCzvet5sx1JeRPKyw01Y=",
         "owner": "nix-community",
         "repo": "nix-vscode-extensions",
-        "rev": "7270c841614adb30d02e97cdb1a81e3757cef092",
+        "rev": "c1fba83fc62263d2ce08e6b85e9fbc8359da0ab9",
         "type": "github"
       },
       "original": {
@@ -72,11 +72,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1723175592,
-        "narHash": "sha256-M0xJ3FbDUc4fRZ84dPGx5VvgFsOzds77KiBMW/mMTnI=",
+        "lastModified": 1723637854,
+        "narHash": "sha256-med8+5DSWa2UnOqtdICndjDAEjxr5D7zaIiK4pn0Q7c=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "5e0ca22929f3342b19569b21b2f3462f053e497b",
+        "rev": "c3aa7b8938b17aebd2deecf7be0636000d62a2b9",
         "type": "github"
       },
       "original": {

flake.nix

@@ -35,6 +35,7 @@
                 extensions.vscode-marketplace.ms-azuretools.vscode-docker
                 extensions.vscode-marketplace.ms-python.vscode-pylance
                 (extensions.forVSCodeVersion "1.92.1").vscode-marketplace.ms-python.python
+                extensions.vscode-marketplace.ms-python.black-formatter
                 # extensions.vscode-marketplace.ms-python.python
                 (extensions.forVSCodeVersion "1.92.1").vscode-marketplace.ms-toolsai.jupyter
                 extensions.vscode-marketplace.ms-vscode.cpptools