The comma is a lie.

pkgs/default.nix

@@ -1,13 +1,14 @@
 { config ? { }, sources, system ? builtins.currentSystem, ... }@args:
 
 let
-  pkgs = import sources.nixpkgs args;
+  pkgs = import sources.nixpkgs { inherit config; };
+
   overlay = self: super: rec {
     dino = super.callPackage "${sources.qyliss-nixlib}/overlays/patches/dino" {
       inherit (super) dino;
     };
-
-    discord = super.discord.override { nss = self.nss_latest; };
+    
+    discord = unstable.discord.override { nss = self.nss_latest; };
 
     arc = import sources.arc-nixexprs { pkgs = super; };
     unstable = import sources.nixpkgs-unstable { inherit (self) config; };
@@ -18,6 +19,8 @@ let
 
     screenstub = unstable.callPackage ./screenstub { };
 
+    kat-weather = super.callPackage ./kat-weather { };
+
     linuxPackagesFor = kernel:
       (super.linuxPackagesFor kernel).extend (_: ksuper: {
         vendor-reset =

pkgs/kat-weather/default.nix

@@ -0,0 +1,16 @@
+{ lib, stdenv, fetchurl, python36, pythonPackages, installShellFiles }:
+
+stdenv.mkDerivation {
+  name = "kat-weather";
+  buildInputs = [
+    (python36.withPackages (pythonPackages: with pythonPackages; [
+      requests
+    ]))
+  ];
+  unpackPhase = "true";
+  installPhase = ''
+    mkdir -p $out/bin
+    cp ${./weather.py} $out/bin/kat-weather
+    chmod +x $out/bin/kat-weather
+  '';
+}

pkgs/kat-weather/weather.py

@@ -0,0 +1,48 @@
+#!/usr/bin/env python3
+
+import requests
+import json
+import sys
+
+city = sys.argv[1]
+api_key = sys.argv[2]
+
+url = f"https://api.openweathermap.org/data/2.5/weather?q={city}&appid={api_key}&units=metric"
+
+weather_icons = {
+    "Thunderstorm": "摒",
+    "Clouds": "摒",
+    "Drizzle": "",
+    "Rain": "",
+    "Snow": "流",
+    "Clear": "滛",
+    "Mist": "",
+    "Smoke": "",
+    "Haze": "",
+    "Dust": "",
+    "Fog": "",
+    "Sand": "",
+    "Ash": "",
+    "Squall": "",
+    "Tornado": ""
+}
+
+#def degrees_to_cardinal(d):
+#    dirs = ["N", "NNE", "NE", "ENE", "E", "ESE", "SE", "SSE",
+#            "S", "SSW", "SW", "WSW", "W", "WNW", "NW", "NNW"]
+#    ix = int((d + 11.25)/22.5)
+#    return dirs[ix % 16]
+
+response = requests.get(url)
+data = json.loads(response.text)
+#print(data)
+
+condition = data["weather"][0]["main"]
+weather_icon = weather_icons[condition]
+temperature = f"{round(data['main']['temp'])}°C"
+feels_like_temperature = f"{round(data['main']['feels_like'])}°C"
+humidity = f"{data['main']['humidity']}%"
+wind = f"{round(data['wind']['speed'])}m/s" # {degrees_to_cardinal(data['wind']['deg'])}"
+
+end_string = f"{weather_icon}  {temperature} {feels_like_temperature} {humidity} {wind}"
+print(end_string)