python3Packages.python-glanceclient: Use buildPythonPackage

and add a top-level attribute.

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

@@ -1,5 +1,5 @@
 { lib
-, buildPythonApplication
+, buildPythonPackage
 , fetchPypi
 , coreutils
 , pbr
@@ -18,7 +18,7 @@
 , requests-mock
 }:
 
-buildPythonApplication rec {
+buildPythonPackage rec {
   pname = "python-glanceclient";
   version = "4.1.0";
   format = "setuptools";

pkgs/top-level/all-packages.nix

@@ -21180,6 +21180,7 @@ with pkgs;
   openslp = callPackage ../development/libraries/openslp {};
 
   openstackclient = with python3Packages; toPythonApplication python-openstackclient;
+  glanceclient = with python3Packages; toPythonApplication python-glanceclient;
   heatclient = with python3Packages; toPythonApplication python-heatclient;
 
   openvdb = callPackage ../development/libraries/openvdb {};