diff --git a/pkgs/development/python-modules/ropper/default.nix b/pkgs/development/python-modules/ropper/default.nix
new file mode 100644
index 00000000000..37369b8f0bd
--- /dev/null
+++ b/pkgs/development/python-modules/ropper/default.nix
@@ -0,0 +1,28 @@
+{ stdenv
+, buildPythonApplication
+, fetchPypi
+, capstone
+, filebytes
+, pytest }:
+
+buildPythonApplication rec {
+  name = "${pname}-${version}";
+  pname = "ropper";
+  version = "1.10.10";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1676e07947a19df9d17002307a7555c2647a4224d6f2869949e8fc4bd18f2e87";
+  };
+  checkPhase = ''
+    py.test testcases
+  '';
+  buildInputs = [pytest];
+  propagatedBuildInputs = [ capstone filebytes ];
+  meta = with stdenv.lib; {
+    homepage = "https://scoding.de/ropper/";
+    license = licenses.gpl2;
+    description = "Show information about files in different file formats";
+    maintainers = with maintainers; [ bennofs ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index bc50969df91..232b83a5644 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -22009,21 +22009,7 @@ in {
      };
   };
 
-  ropper = buildPythonApplication rec {
-    name = "ropper-1.10.10";
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/r/ropper/${name}.tar.gz";
-      sha256 = "1676e07947a19df9d17002307a7555c2647a4224d6f2869949e8fc4bd18f2e87";
-    };
-    propagatedBuildInputs = with self; [ capstone filebytes ];
-    meta = with pkgs.stdenv.lib; {
-      homepage = "https://scoding.de/ropper/";
-      license = licenses.gpl2;
-      description = "Show information about files in different file formats";
-      maintainers = with maintainers; [ bennofs ];
-    };
-  };
-
+  ropper = callPackage ../development/python-modules/ropper { };
 
   routes = buildPythonPackage rec {
     name = "routes-1.12.3";