diff --git a/pkgs/development/python-modules/aiopvpc/default.nix b/pkgs/development/python-modules/aiopvpc/default.nix
index efbe695673aa..74c85eb11a24 100644
--- a/pkgs/development/python-modules/aiopvpc/default.nix
+++ b/pkgs/development/python-modules/aiopvpc/default.nix
@@ -15,15 +15,16 @@
 
 buildPythonPackage rec {
   pname = "aiopvpc";
-  version = "2.2.0";
-  disabled = pythonOlder "3.8";
+  version = "2.2.2";
   format = "pyproject";
 
+  disabled = pythonOlder "3.8";
+
   src = fetchFromGitHub {
     owner = "azogue";
     repo = pname;
     rev = "v${version}";
-    sha256 = "1hk3giwzzlcqnpw9kx3zrr808nmdb7qwac60fki5395qffd2fpqw";
+    sha256 = "sha256-wNMHzeKJ1kG0jnoI5fO3d5CBXE0cyoK92BkGunXK3pI=";
   };
 
   nativeBuildInputs = [
@@ -49,7 +50,9 @@ buildPythonPackage rec {
       " --cov --cov-report term --cov-report html" ""
   '';
 
-  pythonImportsCheck = [ "aiopvpc" ];
+  pythonImportsCheck = [
+    "aiopvpc"
+  ];
 
   meta = with lib; {
     description = "Python module to download Spanish electricity hourly prices (PVPC)";
diff --git a/pkgs/development/python-modules/holidays/default.nix b/pkgs/development/python-modules/holidays/default.nix
index 7ac02fa05ac9..10d333301641 100644
--- a/pkgs/development/python-modules/holidays/default.nix
+++ b/pkgs/development/python-modules/holidays/default.nix
@@ -7,17 +7,18 @@
 , korean-lunar-calendar
 , pytestCheckHook
 , pythonOlder
-, six
 }:
 
 buildPythonPackage rec {
   pname = "holidays";
   version = "0.11.3.1";
+  format = "setuptools";
+
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "4855afe0ebf428efbcf848477828b889f8515be7f4f15ae26682919369d92774";
+    sha256 = "sha256-SFWv4Ov0KO+8+EhHeCi4ifhRW+f08VriZoKRk2nZJ3Q=";
   };
 
   propagatedBuildInputs = [
@@ -25,18 +26,19 @@ buildPythonPackage rec {
     python-dateutil
     hijri-converter
     korean-lunar-calendar
-    six
   ];
 
   checkInputs = [
     pytestCheckHook
   ];
 
-  pythonImportsCheck = [ "holidays" ];
+  pythonImportsCheck = [
+    "holidays"
+  ];
 
   meta = with lib; {
-    homepage = "https://github.com/dr-prodigy/python-holidays";
     description = "Generate and work with holidays in Python";
+    homepage = "https://github.com/dr-prodigy/python-holidays";
     license = licenses.mit;
     maintainers = with maintainers; [ jluttine ];
   };