better way to declare python functions

defase_draws.sh

@@ -1,7 +1,7 @@
 #!/etc/profiles/per-user/jawz/bin/bash
 
-cd /home/jawz/Development/Websites/portfolio/content/ijwbs || exit
+cd /home/jawz/Development/Websites/portfolio/content/friends || exit
 
 for file in [0-9][0-9][0-9]_*; do
-    mv "$file" "$(printf '%03d_%s' $((10#${file%%_*} + 4)) "${file#*_}")"
+    mv "$file" "$(printf '%03d_%s' $((10#${file%%_*} + 1)) "${file#*_}")"
 done

src/download/shell.nix

@@ -2,18 +2,18 @@
   pkgs ? import <nixpkgs> { },
 }:
 
-let
+pkgs.mkShell {
-  pythonPackages = builtins.attrValues {
+  packages =
-    inherit (pkgs.python3Packages) setuptools pyyaml types-pyyaml;
+    [
-  };
+      (pkgs.python3.withPackages (
-  otherPackages = builtins.attrValues {
+        ps:
+        builtins.attrValues {
+          inherit (ps) setuptools pyyaml types-pyyaml;
+        }
+      ))
+    ]
+    ++ builtins.attrValues {
       inherit (pkgs) yt-dlp gallery-dl ffmpeg;
     };
-in
-
-pkgs.mkShell {
-  packages = [
-    (pkgs.python3.withPackages (_ps: pythonPackages))
-  ] ++ otherPackages;
   buildInputs = [ ];
 }