diff --git a/pkgs/development/python-modules/bleak/default.nix b/pkgs/development/python-modules/bleak/default.nix
index 2a401955317c..a06b31b64a6d 100644
--- a/pkgs/development/python-modules/bleak/default.nix
+++ b/pkgs/development/python-modules/bleak/default.nix
@@ -1,32 +1,46 @@
-{ lib, buildPythonPackage, isPy3k, fetchPypi
-, bluez, dbus-next, pytestCheckHook, pytest-cov
+{ lib
+, bluez
+, buildPythonPackage
+, dbus-next
+, fetchPypi
+, pytestCheckHook
+, pythonOlder
+, typing-extensions
 }:
 
 buildPythonPackage rec {
   pname = "bleak";
   version = "0.14.3";
+  format = "setuptools";
 
-  disabled = !isPy3k;
+  disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-dg5bsegECH92JXa5uVY9Y7R9UhsWUpiOKMPLXmS2GZA=";
+    hash = "sha256-dg5bsegECH92JXa5uVY9Y7R9UhsWUpiOKMPLXmS2GZA=";
   };
 
+  propagatedBuildInputs = [
+    dbus-next
+    typing-extensions
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
   postPatch = ''
     # bleak checks BlueZ's version with a call to `bluetoothctl --version`
     substituteInPlace bleak/backends/bluezdbus/__init__.py \
       --replace \"bluetoothctl\" \"${bluez}/bin/bluetoothctl\"
   '';
 
-  propagatedBuildInputs = [ dbus-next ];
-
-  checkInputs = [ pytestCheckHook pytest-cov ];
-
-  pythonImportsCheck = [ "bleak" ];
+  pythonImportsCheck = [
+    "bleak"
+  ];
 
   meta = with lib; {
-    description = "Bluetooth Low Energy platform Agnostic Klient for Python";
+    description = "Bluetooth Low Energy platform agnostic client";
     homepage = "https://github.com/hbldh/bleak";
     license = licenses.mit;
     platforms = platforms.linux;