1 files changed, 5 insertions, 3 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/twisted/default.nix b/nixpkgs/pkgs/development/python-modules/twisted/default.nix
index 249ddb4be863..5c4fea3f9b1b 100644
--- a/nixpkgs/pkgs/development/python-modules/twisted/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/twisted/default.nix
@@ -16,12 +16,12 @@
 }:
 buildPythonPackage rec {
   pname = "Twisted";
-  version = "18.9.0";
+  version = "19.10.0";
 
   src = fetchPypi {
     inherit pname version;
     extension = "tar.bz2";
-    sha256 = "294be2c6bf84ae776df2fc98e7af7d6537e1c5e60a46d33c3ce2a197677da395";
+    sha256 = "7394ba7f272ae722a74f3d969dcf599bc4ef093bc392038748a490f1724a515d";
   };
 
   propagatedBuildInputs = [ zope_interface incremental automat constantly hyperlink pyhamcrest attrs setuptools ];
@@ -39,7 +39,9 @@ buildPythonPackage rec {
   # http://twistedmatrix.com/documents/current/core/howto/plugin.html#auto3
   # and http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=477103 for
   # details.
-  postInstall = "$out/bin/twistd --help > /dev/null";
+  postFixup = ''
+    $out/bin/twistd --help > /dev/null
+  '';
 
   checkPhase = ''
     ${python.interpreter} -m unittest discover -s twisted/test