diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 7ce3f76f3222..a6015e3fd991 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -517,6 +517,8 @@ rec {
       sha256 = "0x8bfjjqygriry1iyygm5048ykl5qpbpzqfp6i8dhkslm3ryf5fk";
     };
 
+    doCheck = false;
+
     meta = {
       homepage = "http://www.noah.org/wiki/Pexpect";
       description = "Automate interactive console applications such as ssh, ftp, etc.";