diff --git a/pkgs/development/python-modules/pytest-raises/default.nix b/pkgs/development/python-modules/pytest-raises/default.nix
new file mode 100644
index 000000000000..7891437909ed
--- /dev/null
+++ b/pkgs/development/python-modules/pytest-raises/default.nix
@@ -0,0 +1,30 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "pytest-raises";
+  version = "0.11";
+
+  src = fetchFromGitHub {
+    owner = "Lemmons";
+    repo = pname;
+    rev = version;
+    sha256 = "0gbb4kml2qv7flp66i73mgb4qihdaybb6c96b5dw3mhydhymcsy2";
+  };
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [ "pytest_raises" ];
+
+  meta = with lib; {
+    description = "An implementation of pytest.raises as a pytest.mark fixture";
+    homepage = "https://github.com/Lemmons/pytest-raises";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 10da6e1f33ca..4e0af09e84dd 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -236,6 +236,8 @@ in {
 
   aiocontextvars = callPackage ../development/python-modules/aiocontextvars { };
 
+  aiodiscover = callPackage ../development/python-modules/aiodiscover { };
+
   aiodns = callPackage ../development/python-modules/aiodns { };
 
   aioeafm = callPackage ../development/python-modules/aioeafm { };
@@ -538,6 +540,8 @@ in {
 
   async_generator = callPackage ../development/python-modules/async_generator { };
 
+  async-dns = callPackage ../development/python-modules/async-dns { };
+
   asyncio-dgram = callPackage ../development/python-modules/asyncio-dgram { };
 
   asyncio-mqtt = callPackage ../development/python-modules/asyncio_mqtt { };
@@ -6567,6 +6571,8 @@ in {
   pytest-quickcheck = self.pytestquickcheck;
   pytestquickcheck = callPackage ../development/python-modules/pytest-quickcheck { };
 
+  pytest-raises = callPackage ../development/python-modules/pytest-raises { };
+
   pytest-raisesregexp = callPackage ../development/python-modules/pytest-raisesregexp { };
 
   pytest-randomly = callPackage ../development/python-modules/pytest-randomly { };