python.pkgs.tweepy: move expression

pkgs/development/python-modules/tweepy/default.nix

@@ -0,0 +1,21 @@
+{ lib, buildPythonPackage, fetchPypi, requests, six, requests_oauthlib }:
+
+buildPythonPackage rec {
+  pname = "tweepy";
+  version = "3.5.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0n2shilamgwhzmvf534xg7f6hrnznbixyl5pw2f5a3f391gwy37h";
+  };
+
+  doCheck = false;
+  propagatedBuildInputs = [ requests six requests_oauthlib ];
+
+  meta = with lib; {
+    homepage = https://github.com/tweepy/tweepy;
+    description = "Twitter library for python";
+    license = licenses.mit;
+    maintainers = with maintainers; [ garbas ];
+  };
+}

pkgs/top-level/python-packages.nix

@@ -14387,25 +14387,7 @@ in {
 
   TurboCheetah = callPackage ../development/python-modules/TurboCheetah { };
 
-  tweepy = buildPythonPackage (rec {
-    name = "tweepy-3.5.0";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/t/tweepy/${name}.tar.gz";
-      sha256 = "0n2shilamgwhzmvf534xg7f6hrnznbixyl5pw2f5a3f391gwy37h";
-    };
-
-    doCheck = false;
-    propagatedBuildInputs = with self; [ requests six requests_oauthlib ];
-
-    meta = {
-      homepage = "https://github.com/tweepy/tweepy";
-      description = "Twitter library for python";
-      license = licenses.mit;
-      maintainers = with maintainers; [ garbas ];
-      platforms = platforms.linux;
-    };
-  });
+  tweepy = callPackage ../development/python-modules/tweepy { };
 
   twiggy = buildPythonPackage rec {
     name = "Twiggy-${version}";