diff --git a/pkgs/development/python-modules/application/default.nix b/pkgs/development/python-modules/application/default.nix
index 654567cc23fcf..90b21baafddaa 100644
--- a/pkgs/development/python-modules/application/default.nix
+++ b/pkgs/development/python-modules/application/default.nix
@@ -1,21 +1,26 @@
-{ lib, buildPythonPackage, fetchdarcs, zope_interface, isPy3k }:
+{ lib, buildPythonPackage, fetchFromGitHub, zope_interface, isPy3k }:
 
 buildPythonPackage rec {
   pname = "python-application";
-  version = "2.7.0";
+  version = "2.8.0";
   disabled = isPy3k;
 
-  src = fetchdarcs {
-    url = "http://devel.ag-projects.com/repositories/${pname}";
+  src = fetchFromGitHub {
+    owner = "AGProjects";
+    repo = pname;
     rev = "release-${version}";
-    sha256 = "1xpyk2v3naxkjhpyris58dxg1lxbraxgjd6f7w1sah5j0sk7psla";
+    sha256 = "1xd2gbpmx2ghap9cnr1h6sxjai9419bdp3y9qp5lh67977m0qg30";
   };
 
   buildInputs = [ zope_interface ];
 
+  # No tests upstream to run
+  doCheck = false;
+
   meta = with lib; {
     description = "Basic building blocks for python applications";
-    homepage = https://github.com/AGProjects/python-application;
+    homepage = "https://github.com/AGProjects/python-application";
+    changelog = "https://github.com/AGProjects/python-application/blob/master/ChangeLog";
     license = licenses.lgpl2Plus;
   };
 }
diff --git a/pkgs/development/python-modules/python-otr/default.nix b/pkgs/development/python-modules/python-otr/default.nix
index 2b08bbffa4506..d83d259724506 100644
--- a/pkgs/development/python-modules/python-otr/default.nix
+++ b/pkgs/development/python-modules/python-otr/default.nix
@@ -24,10 +24,13 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "A pure python implementation of OTR";
-    homepage = https://github.com/AGProjects/otr;
+    homepage = "https://github.com/AGProjects/python-otr";
     license = licenses.lgpl21Plus;
     platforms = platforms.linux;
     maintainers = with maintainers; [ edwtjo ];
+    # The package itself does not support python3, and its transitive
+    # dependencies rely on namespace package support that does not work in
+    # Nix's python2 infra. See #74619 for details.
+    broken = true;
   };
-
 }