diff --git a/pkgs/development/python-modules/elegy/default.nix b/pkgs/development/python-modules/elegy/default.nix
index 12c205761b5e..d4df308e679c 100644
--- a/pkgs/development/python-modules/elegy/default.nix
+++ b/pkgs/development/python-modules/elegy/default.nix
@@ -31,7 +31,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "poets-ai";
     repo = pname;
-    rev = version;
+    rev = "refs/tags/${version}";
     hash = "sha256-FZmLriYhsX+zyQKCtCjbOy6MH+AvjzHRNUyaDSXGlLI=";
   };
 
@@ -73,9 +73,9 @@ buildPythonPackage rec {
 
   checkInputs = [
     pytestCheckHook
-    torch
     sh
     tensorflow
+    torch
   ];
 
   disabledTests = [
@@ -89,6 +89,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "Neural Networks framework based on Jax inspired by Keras and Haiku";
     homepage = "https://github.com/poets-ai/elegy";
+    changelog = "https://github.com/poets-ai/elegy/releases/tag/${version}";
     license = licenses.asl20;
     maintainers = with maintainers; [ ndl ];
   };
diff --git a/pkgs/development/python-modules/websocket-client/default.nix b/pkgs/development/python-modules/websocket-client/default.nix
index 1e1823095b0b..b54b0b5e2614 100644
--- a/pkgs/development/python-modules/websocket-client/default.nix
+++ b/pkgs/development/python-modules/websocket-client/default.nix
@@ -4,29 +4,31 @@
 , pythonOlder
 , pytestCheckHook
 , python-socks
-, six
 }:
 
 buildPythonPackage rec {
   pname = "websocket-client";
-  version = "1.4.1";
-  disabled = pythonOlder "3.6";
+  version = "1.4.2";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-+WEetlyCQaZ/s3O+8ECzz4rTd6n2VGoStiC2UR6Oqe8=";
+    hash = "sha256-1uj5DKji3U6AJ8RWGt65RWtUBEMS26ZV58rmUs65rlk=";
   };
 
   propagatedBuildInputs = [
     python-socks
-    six
    ];
 
   checkInputs = [
     pytestCheckHook
   ];
 
-  pythonImportsCheck = [ "websocket" ];
+  pythonImportsCheck = [
+    "websocket"
+  ];
 
   meta = with lib; {
     description = "Websocket client for Python";