diff --git a/pkgs/development/python-modules/jeepney/default.nix b/pkgs/development/python-modules/jeepney/default.nix
index 84096c6db4f9..cea428a9ffd0 100644
--- a/pkgs/development/python-modules/jeepney/default.nix
+++ b/pkgs/development/python-modules/jeepney/default.nix
@@ -2,9 +2,11 @@
 , buildPythonPackage
 , fetchPypi
 , pythonOlder
+, dbus
 , pytest
+, pytest-trio
+, pytest-asyncio
 , testpath
-, tornado
 , trio
 }:
 
@@ -12,30 +14,44 @@ buildPythonPackage rec {
   pname = "jeepney";
   version = "0.6.0";
 
-  disabled = pythonOlder "3.5";
+  disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
     sha256 = "7d59b6622675ca9e993a6bd38de845051d315f8b0c72cca3aef733a20b648657";
   };
 
-  propagatedBuildInputs = [
-    tornado
-  ];
-
   checkInputs = [
+    dbus
     pytest
+    pytest-trio
+    pytest-asyncio
     testpath
     trio
   ];
 
   checkPhase = ''
-    pytest
+    runHook preCheck
+
+    dbus-run-session --config-file=${dbus}/share/dbus-1/session.conf -- pytest
+
+    runHook postCheck
   '';
 
+  pythonImportsCheck = [
+    "jeepney"
+    "jeepney.auth"
+    "jeepney.io"
+    "jeepney.io.asyncio"
+    "jeepney.io.blocking"
+    "jeepney.io.threading"
+    "jeepney.io.trio"
+  ];
+
   meta = with lib; {
     homepage = "https://gitlab.com/takluyver/jeepney";
     description = "Pure Python DBus interface";
     license = licenses.mit;
+    maintainers = with maintainers; [ dotlambda ];
   };
 }
diff --git a/pkgs/development/python-modules/notify-py/darwin-paths.patch b/pkgs/development/python-modules/notify-py/darwin-paths.patch
new file mode 100644
index 000000000000..3088825b9b9b
--- /dev/null
+++ b/pkgs/development/python-modules/notify-py/darwin-paths.patch
@@ -0,0 +1,13 @@
+diff --git a/notifypy/os_notifiers/macos.py b/notifypy/os_notifiers/macos.py
+index 68731fb..53fcee3 100644
+--- a/notifypy/os_notifiers/macos.py
++++ b/notifypy/os_notifiers/macos.py
+@@ -75,7 +75,7 @@ class MacOSNotifier(BaseNotifier):
+     def _find_installed_afplay():
+         """Function to find the path for afplay"""
+         try:
+-            run_which_for_aplay = subprocess.check_output(["which", "afplay"])
++            run_which_for_aplay = subprocess.check_output(["@which@", "afplay"])
+             return run_which_for_aplay.decode("utf-8")
+         except subprocess.CalledProcessError:
+             logger.exception("Unable to find aplay.")
diff --git a/pkgs/development/python-modules/notify-py/default.nix b/pkgs/development/python-modules/notify-py/default.nix
index ba4725c9aaa4..497b20d3df8f 100644
--- a/pkgs/development/python-modules/notify-py/default.nix
+++ b/pkgs/development/python-modules/notify-py/default.nix
@@ -1,5 +1,17 @@
-{ lib, stdenv, buildPythonPackage, fetchFromGitHub, isPy3k, coreutils, alsa-utils
-, libnotify, which, jeepney, loguru, pytestCheckHook }:
+{ lib
+, stdenv
+, buildPythonPackage
+, isPy3k
+, fetchFromGitHub
+, substituteAll
+, alsa-utils
+, libnotify
+, which
+, jeepney
+, loguru
+, pytestCheckHook
+, coreutils
+}:
 
 buildPythonPackage rec {
   pname = "notify-py";
@@ -14,15 +26,28 @@ buildPythonPackage rec {
     sha256 = "1n35adwsyhz304n4ifnsz6qzkymwhyqc8sg8d76qv5psv2xsnzlf";
   };
 
-  propagatedNativeBuildInputs = [ which ]
-    ++ lib.optionals stdenv.isLinux [ alsa-utils libnotify ];
+  patches = lib.optionals stdenv.isLinux [
+    # hardcode paths to aplay and notify-send
+    (substituteAll {
+      src = ./linux-paths.patch;
+      aplay = "${alsa-utils}/bin/aplay";
+      notifysend = "${libnotify}/bin/notify-send";
+    })
+  ] ++ lib.optionals stdenv.isDarwin [
+    # hardcode path to which
+    (substituteAll {
+      src = ./darwin-paths.patch;
+      which = "${which}/bin/which";
+    })
+  ];
+
   propagatedBuildInputs = [ loguru ]
     ++ lib.optionals stdenv.isLinux [ jeepney ];
 
-  checkInputs = [ coreutils pytestCheckHook ];
+  checkInputs = [ pytestCheckHook ];
 
   # Tests search for "afplay" binary which is built in to MacOS and not available in nixpkgs
-  preCheck = ''
+  preCheck = lib.optionalString stdenv.isDarwin ''
     mkdir $TMP/bin
     ln -s ${coreutils}/bin/true $TMP/bin/afplay
     export PATH="$TMP/bin:$PATH"
@@ -31,9 +56,9 @@ buildPythonPackage rec {
   pythonImportsCheck = [ "notifypy" ];
 
   meta = with lib; {
-    description = "Python Module for sending cross-platform desktop notifications on Windows, macOS, and Linux.";
-    homepage = "https://github.com/ms7m/notify-py/";
+    description = "Cross-platform desktop notification library for Python";
+    homepage = "https://github.com/ms7m/notify-py";
     license = licenses.mit;
-    maintainers = with maintainers; [ austinbutler ];
+    maintainers = with maintainers; [ austinbutler dotlambda ];
   };
 }
diff --git a/pkgs/development/python-modules/notify-py/linux-paths.patch b/pkgs/development/python-modules/notify-py/linux-paths.patch
new file mode 100644
index 000000000000..f043ec14a467
--- /dev/null
+++ b/pkgs/development/python-modules/notify-py/linux-paths.patch
@@ -0,0 +1,54 @@
+diff --git a/notifypy/os_notifiers/linux.py b/notifypy/os_notifiers/linux.py
+index ee89216..5201574 100644
+--- a/notifypy/os_notifiers/linux.py
++++ b/notifypy/os_notifiers/linux.py
+@@ -53,30 +53,12 @@ class LinuxNotifierLibNotify(BaseNotifier):
+     @staticmethod
+     def _find_installed_aplay():
+         """Function to find the path for notify-send"""
+-        try:
+-            run_which_for_aplay = subprocess.check_output(["which", "aplay"])
+-            return run_which_for_aplay.decode("utf-8")
+-        except subprocess.CalledProcessError:
+-            logger.exception("Unable to find aplay.")
+-            return False
+-        except Exception:
+-            logger.exception("Unhandled exception for finding aplay.")
+-            return False
++        return "@aplay@"
+ 
+     @staticmethod
+     def _find_installed_notify_send():
+         """Function to find the path for notify-send"""
+-        try:
+-            run_which_for_notify_send = subprocess.check_output(
+-                ["which", "notify-send"]
+-            )
+-            return run_which_for_notify_send.decode("utf-8")
+-        except subprocess.CalledProcessError:
+-            logger.exception("Unable to find notify-send.")
+-            return False
+-        except Exception:
+-            logger.exception("Unhandled exception for finding notify-send.")
+-            return False
++        return "@notifysend@"
+ 
+     def send_notification(
+         self,
+@@ -159,15 +141,7 @@ class LinuxNotifier(BaseNotifier):
+     @staticmethod
+     def _find_installed_aplay():
+         """Function to find the path for notify-send"""
+-        try:
+-            run_which_for_aplay = subprocess.check_output(["which", "aplay"])
+-            return run_which_for_aplay.decode("utf-8")
+-        except subprocess.CalledProcessError:
+-            logger.exception("Unable to find aplay.")
+-            return False
+-        except Exception:
+-            logger.exception("Unhandled exception for finding aplay.")
+-            return False
++        return "@aplay@"
+ 
+     def send_notification(
+         self,