Fix datadog-api-client package definition

overlays/datadog-api-client.nix

@@ -1,6 +1,15 @@
 { lib, buildPythonPackage, fetchPypi, pkgs}:
 
-buildPythonPackage rec {
+let
+	pydeps = pypkgs: with pypkgs; [
+		certifi
+		dateutils
+		python-dateutil
+		typing-extensions
+		urllib3
+	];
+
+in buildPythonPackage rec {
 	pname = "datadog-api-client";
 	version = "2.3.0";
 
@@ -17,4 +26,13 @@ buildPythonPackage rec {
 	};
 
 	doCheck = false;
+
+	buildInputs = with pkgs; [
+		(python3.withPackages pydeps)
+	];
+
+	nativeBuildInputs = with pkgs; [
+		(python3.withPackages pydeps)
+		git
+	];
 }

overlays/packages.nix

@@ -1,8 +1,13 @@
 { pkgs, ... }:
 
-{
+let
-	datadog-api-client = pkgs.callPackage ./datadog-api-client.nix {
+	callPackage = pkgs.lib.callPackageWith pkgs;
-		buildPythonPackage = pkgs.python3.pkgs.buildPythonPackage;
+	lib = pkgs.lib;
+	python = pkgs.packages.python3;
+in {
+	datadog-api-client = callPackage ./datadog-api-client.nix {
+		inherit pkgs lib;
+		buildPythonPackage = python.pkgs.buildPythonPackage;
 		fetchPypi = pkgs.python.pkgs.fetchPypi;
 	};