diff --git a/pkgs/development/python-modules/contexter/default.nix b/pkgs/development/python-modules/contexter/default.nix
new file mode 100644
index 000000000000..c5d35087eaad
--- /dev/null
+++ b/pkgs/development/python-modules/contexter/default.nix
@@ -0,0 +1,14 @@
+{ stdenv, buildPythonPackage, fetchPypi }:
+
+buildPythonPackage rec {
+  pname = "contexter";
+  version = "0.1.3";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0xrnkjya29ya0hkj8y4k9ni2mnr58i6r0xfqlj7wk07v4jfrkc8n";
+  };
+
+  meta = with stdenv.lib; {
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 148bbdb157d3..fd9ed2fccdda 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1641,16 +1641,7 @@ in {
 
   consul = callPackage ../development/python-modules/consul { };
 
-  contexter = buildPythonPackage rec {
-    name = "contexter-${version}";
-    version = "0.1.3";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/c/contexter/${name}.tar.gz";
-      sha256 = "0xrnkjya29ya0hkj8y4k9ni2mnr58i6r0xfqlj7wk07v4jfrkc8n";
-    };
-  };
-
+  contexter = callPackage ../development/python-modules/contexter { };
 
   contextlib2 = callPackage ../development/python-modules/contextlib2 { };