python39Packages.cartopy: fix version number

pkgs/development/python-modules/cartopy/default.nix

@@ -1,6 +1,6 @@
 { buildPythonPackage, lib, fetchPypi
 , pytestCheckHook, filelock, mock, pep8
-, cython
+, cython, setuptools-scm
 , six, pyshp, shapely, geos, numpy
 , gdal, pillow, matplotlib, pyepsg, pykdtree, scipy, owslib, fiona
 , proj, flufl_lock
@@ -23,6 +23,13 @@ buildPythonPackage rec {
       --replace "test_epsg(" "dont_test_epsg("
   '';
 
+  nativeBuildInputs = [
+    cython
+    geos # for geos-config
+    proj
+    setuptools-scm
+  ];
+
   buildInputs = [
     geos proj
   ];
@@ -48,12 +55,6 @@ buildPythonPackage rec {
     "test_gridliner_labels_bbox_style"
   ];
 
-  nativeBuildInputs = [
-    cython
-    geos # for geos-config
-    proj
-  ];
-
   meta = with lib; {
     description = "Process geospatial data to create maps and perform analyses";
     license = licenses.lgpl3Plus;