diff --git a/pkgs/development/python-modules/s3transfer/default.nix b/pkgs/development/python-modules/s3transfer/default.nix
new file mode 100644
index 00000000000..8e5b30c26b4
--- /dev/null
+++ b/pkgs/development/python-modules/s3transfer/default.nix
@@ -0,0 +1,53 @@
+{ stdenv
+, fetchPypi
+, pythonOlder
+, buildPythonPackage
+, docutils
+, mock
+, nose
+, coverage
+, wheel
+, unittest2
+, botocore
+, futures
+}:
+
+buildPythonPackage rec {
+  pname = "s3transfer";
+  version = "0.1.11";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0yfrfnf404cxzn3iswibqjxklsl0b1lwgqiml6pwiqj79a7zbwbn";
+  };
+
+  foo = 1;
+
+  propagatedBuildInputs =
+    [ botocore
+    ] ++ stdenv.lib.optional (pythonOlder "3") futures;
+
+  buildInputs = [
+    docutils
+    mock
+    nose
+    coverage
+    wheel
+    unittest2
+  ];
+
+  checkPhase = ''
+    pushd s3transfer/tests
+    nosetests -v unit/ functional/
+    popd
+  '';
+
+  # version on pypi has no tests/ dir
+  doCheck = false;
+
+  meta = {
+    homepage = https://github.com/boto/s3transfer;
+    license = stdenv.lib.licenses.asl20;
+    description = "A library for managing Amazon S3 transfers";
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 668e63fd59d..561ceeff4b0 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -8352,15 +8352,13 @@ in {
   };
 
   fastimport = callPackage ../development/python-modules/fastimport { };
- 
+
   feedgen = callPackage ../development/python-modules/feedgen { };
 
   feedgenerator = callPackage ../development/python-modules/feedgenerator {
     inherit (pkgs) glibcLocales;
   };
 
-  s3transfer = callPackage ../development/python-modules/s3transfer { };
-
   feedparser = buildPythonPackage (rec {
     name = "feedparser-5.2.1";
 
@@ -17813,38 +17811,7 @@ in {
     };
   };
 
-  s3transfer = buildPythonPackage rec {
-    version = "0.1.10";
-    name = "s3transfer-${version}";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/s/s3transfer/${name}.tar.gz";
-      sha256 = "1h8g9bknvxflxkpbnxyfxmk8pvgykbbk9ljdvhqh6z4vjc2926ms";
-    };
-
-    foo = 1;
-
-    propagatedBuildInputs =
-      [ self.botocore
-      ] ++ stdenv.lib.optional (pythonOlder "3") self.futures;
-
-    buildInputs = with self; [ docutils mock nose coverage wheel unittest2 ];
-
-    checkPhase = ''
-      pushd s3transfer/tests
-      nosetests -v unit/ functional/
-      popd
-    '';
-
-    # version on pypi has no tests/ dir
-    doCheck = false;
-
-    meta = {
-      homepage = https://github.com/boto/s3transfer;
-      license = stdenv.lib.licenses.asl20;
-      description = "A library for managing Amazon S3 transfers";
-    };
-  };
+  s3transfer = callPackage ../development/python-modules/s3transfer { };
 
   seqdiag = callPackage ../development/python-modules/seqdiag { };