python.pkgs.gitdb2: remove

The two are now the same:
gitpython-developers/gitdb#59

Author: timokau

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

@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchPypi, isPy27, substituteAll, git, gitdb2, mock, nose, ddt }:
+{ lib, buildPythonPackage, fetchPypi, isPy27, substituteAll, git, gitdb, mock, nose, ddt }:
 
 buildPythonPackage rec {
   version = "3.0.5";
@@ -18,7 +18,7 @@ buildPythonPackage rec {
   ];
 
   checkInputs = [ nose ] ++ lib.optional isPy27 mock;
-  propagatedBuildInputs = [ gitdb2 ddt ];
+  propagatedBuildInputs = [ gitdb ddt ];
 
   # Tests require a git repo
   doCheck = false;

pkgs/development/python-modules/gitdb2/default.nix

@@ -2768,7 +2768,7 @@ in {
 
   gitdb = callPackage ../development/python-modules/gitdb { };
 
-  gitdb2 = callPackage ../development/python-modules/gitdb2 { };
+  gitdb2 = throw "gitdb2 has been deprecated, use gitdb instead."; # added 2020-03-14
 
   GitPython = callPackage ../development/python-modules/GitPython { };