diff --git a/pkgs/development/python-modules/aiosyncthing/default.nix b/pkgs/development/python-modules/aiosyncthing/default.nix
new file mode 100644
index 00000000000..553876a48cf
--- /dev/null
+++ b/pkgs/development/python-modules/aiosyncthing/default.nix
@@ -0,0 +1,45 @@
+{ lib
+, aiohttp
+, aioresponses
+, buildPythonPackage
+, fetchFromGitHub
+, expects
+, pytest-asyncio
+, pytest-mock
+, pytestCheckHook
+, yarl
+}:
+
+buildPythonPackage rec {
+  pname = "aiosyncthing";
+  version = "0.5.1";
+
+  src = fetchFromGitHub {
+    owner = "zhulik";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0704qbg3jy80vaw3bcvhy988s1qs3fahpfwkja71fy70bh0vc860";
+  };
+
+  propagatedBuildInputs = [
+    aiohttp
+    yarl
+  ];
+
+  checkInputs = [
+    aioresponses
+    expects
+    pytestCheckHook
+    pytest-asyncio
+    pytest-mock
+  ];
+
+  pythonImportsCheck = [ "aiosyncthing" ];
+
+  meta = with lib; {
+    description = "Python client for the Syncthing REST API";
+    homepage = "https://github.com/zhulik/aiosyncthing";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/development/python-modules/expects/default.nix b/pkgs/development/python-modules/expects/default.nix
new file mode 100644
index 00000000000..093bdc27bf8
--- /dev/null
+++ b/pkgs/development/python-modules/expects/default.nix
@@ -0,0 +1,28 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+}:
+
+buildPythonPackage rec {
+  pname = "expects";
+  version = "0.9.0";
+
+  src = fetchFromGitHub {
+    owner = "jaimegildesagredo";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0mk1mhh8n9ly820krkhazn1w96f10vmgh21y2wr44sn8vwr4ngyy";
+  };
+
+  # mamba is used as test runner. Not available and should not be used as
+  # it's just another unmaintained test runner.
+  doCheck = false;
+  pythonImportsCheck = [ "expects" ];
+
+  meta = with lib; {
+    description = "Expressive and extensible TDD/BDD assertion library for Python";
+    homepage = "https://expects.readthedocs.io/";
+    license = with licenses; [ asl20 ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 150132f0b2c..f5383714a7d 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -341,6 +341,8 @@ in {
 
   aioswitcher = callPackage ../development/python-modules/aioswitcher { };
 
+  aiosyncthing = callPackage ../development/python-modules/aiosyncthing { };
+
   aiounifi = callPackage ../development/python-modules/aiounifi { };
 
   aiounittest = callPackage ../development/python-modules/aiounittest { };
@@ -2261,6 +2263,8 @@ in {
 
   exifread = callPackage ../development/python-modules/exifread { };
 
+  expects = callPackage ../development/python-modules/expects { };
+
   expiringdict = callPackage ../development/python-modules/expiringdict { };
 
   exrex = callPackage ../development/python-modules/exrex { };