diff --git a/pkgs/development/python-modules/chameleon/default.nix b/pkgs/development/python-modules/chameleon/default.nix
index d522764c799..0af3d18824a 100644
--- a/pkgs/development/python-modules/chameleon/default.nix
+++ b/pkgs/development/python-modules/chameleon/default.nix
@@ -1,17 +1,22 @@
 { stdenv
 , buildPythonPackage
-, fetchPypi
+, fetchFromGitHub
 }:
 
 buildPythonPackage rec {
   pname = "Chameleon";
   version = "3.8.1";
 
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "adf9609a2fa4ad20deb390605495f9a5d617b737bfbd86e51a49bbac2acaf316";
+  # tests not included in pypi tarball
+  src = fetchFromGitHub {
+    owner = "malthe";
+    repo = "chameleon";
+    rev = version;
+    sha256 = "0nf8x4w2vh1a31wdb86nnvlic9xmr23j3in1f6fq4z6mv2jkwa87";
   };
 
+  pythonImportsCheck = [ "chameleon" ];
+
   meta = with stdenv.lib; {
     homepage = "https://chameleon.readthedocs.io/";
     description = "Fast HTML/XML Template Compiler";