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-rw-r--r--nixpkgs/pkgs/development/interpreters/python/tests.nix10
1 files changed, 9 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/development/interpreters/python/tests.nix b/nixpkgs/pkgs/development/interpreters/python/tests.nix
index 764ab29e919b..49dfe0e4644e 100644
--- a/nixpkgs/pkgs/development/interpreters/python/tests.nix
+++ b/nixpkgs/pkgs/development/interpreters/python/tests.nix
@@ -20,7 +20,15 @@ let
     envs = let
       inherit python;
       pythonEnv = python.withPackages(ps: with ps; [ ]);
-      pythonVirtualEnv = python.withPackages(ps: with ps; [ virtualenv ]);
+      pythonVirtualEnv = if python.isPy3k
+        then
+           python.withPackages(ps: with ps; [ virtualenv ])
+        else
+          python.buildEnv.override {
+            extraLibs = with python.pkgs; [ virtualenv ];
+            # Collisions because of namespaces __init__.py
+            ignoreCollisions = true;
+          };
     in {
       # Plain Python interpreter
       plain = rec {