diff --git a/pkgs/development/python-modules/diffimg/default.nix b/pkgs/development/python-modules/diffimg/default.nix
new file mode 100644
index 000000000000..e5afcdf8cdf1
--- /dev/null
+++ b/pkgs/development/python-modules/diffimg/default.nix
@@ -0,0 +1,43 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pillow
+, unittestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "diffimg";
+  version = "0.3.0"; # github recognized 0.1.3, there's a v0.1.5 tag and setup.py says 0.3.0
+  format = "setuptools";
+
+  src = fetchFromGitHub {
+    owner = "nicolashahn";
+    repo = "diffimg";
+    rev = "b82f0bb416f100f9105ccccf1995872b29302461";
+    hash = "sha256-H/UQsqyfdnlESBe7yRu6nK/0dakQkAfeFaZNwjCMvdM=";
+  };
+
+  # it imports the wrong diff,
+  # fix offered to upstream https://github.com/nicolashahn/diffimg/pull/6
+  postPatch = ''
+    substituteInPlace diffimg/test.py \
+      --replace "from diff import diff" "from diffimg.diff import diff"
+  '';
+
+  propagatedBuildInputs = [
+    pillow
+  ];
+
+  pythonImportsCheck = [ "diffimg" ];
+
+  nativeCheckInputs = [
+    unittestCheckHook
+  ];
+
+  meta = with lib; {
+    description = "Differentiate images in python - get a ratio or percentage difference, and generate a diff image";
+    homepage = "https://github.com/nicolashahn/diffimg";
+    license = licenses.mit;
+    maintainers = with maintainers; [ evils ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index d84df0f3c795..af2f5703b3bf 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2549,6 +2549,8 @@ self: super: with self; {
 
   diff-match-patch = callPackage ../development/python-modules/diff-match-patch { };
 
+  diffimg = callPackage ../development/python-modules/diffimg { };
+
   digital-ocean = callPackage ../development/python-modules/digitalocean { };
 
   digi-xbee = callPackage ../development/python-modules/digi-xbee { };