Make default.nix work.

.gitignore

@@ -144,4 +144,4 @@ cython_debug/
 
 # End of https://www.toptal.com/developers/gitignore/api/python
 
-result/
+result

default.nix

@@ -1,10 +1,19 @@
-{ pkgs, lib, ... }:
 let
-  sources = import ./sources.nix {};
+  sources = import ./nix/sources.nix {};
+in
+{ pkgs ? import sources.nixpkgs {},
+  lib ? pkgs.lib,
+  ... 
+}:
+let
   mach-nix = import sources.mach-nix {
     inherit pkgs;
   };
 in
 mach-nix.buildPythonApplication {
-  src = lib.cleanSource ./..;
+  name = "peerix";
+  python = "python39";
+  src = lib.cleanSource ./.;
+  version = builtins.readFile ./VERSION;
+  requirements = builtins.readFile ./requirements.txt;
 }

setup.py

@@ -5,7 +5,7 @@ from distutils.core import setup
 DIR = os.path.dirname(__file__)
 
 with open(os.path.join(DIR, "requirements.txt")) as f:
-    requirements = f.readlines()
+    requirements = [l.strip() for l in f.readlines()]
 
 with open(os.path.join(DIR, "VERSION")) as f:
     version = f.read().strip()