diff --git a/pkgs/development/python-modules/pysendfile/default.nix b/pkgs/development/python-modules/pysendfile/default.nix
new file mode 100644
index 00000000000..b49ec5030f9
--- /dev/null
+++ b/pkgs/development/python-modules/pysendfile/default.nix
@@ -0,0 +1,28 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+, python
+}:
+
+buildPythonPackage rec {
+  pname = "pysendfile";
+  version = "2.0.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "05qf0m32isflln1zjgxlpw0wf469lj86vdwwqyizp1h94x5l22ji";
+  };
+
+  checkPhase = ''
+    # this test takes too long
+    sed -i 's/test_big_file/noop/' test/test_sendfile.py
+    ${python.executable} test/test_sendfile.py
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = "https://github.com/giampaolo/pysendfile";
+    description = "A Python interface to sendfile(2)";
+    license = licenses.mit;
+  };
+
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index d55874bf1b6..bf9fc041b8a 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3672,25 +3672,7 @@ in {
 
   seqdiag = callPackage ../development/python-modules/seqdiag { };
 
-  pysendfile = buildPythonPackage rec {
-    name = "pysendfile-${version}";
-    version = "2.0.1";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/p/pysendfile/pysendfile-${version}.tar.gz";
-      sha256 = "05qf0m32isflln1zjgxlpw0wf469lj86vdwwqyizp1h94x5l22ji";
-    };
-
-    checkPhase = ''
-      # this test takes too long
-      sed -i 's/test_big_file/noop/' test/test_sendfile.py
-      ${self.python.executable} test/test_sendfile.py
-    '';
-
-    meta = with stdenv.lib; {
-      homepage = "https://github.com/giampaolo/pysendfile";
-    };
-  };
+  pysendfile = callPackage ../development/python-modules/pysendfile { };
 
   qpid-python = buildPythonPackage rec {
     name = "qpid-python-${version}";