diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 7c20a1f2f32..e9b63eaff72 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -9079,7 +9079,7 @@ in modules // {
     '';
 
     # Doesn't actually run tests
-    doCheck = False;
+    doCheck = false;
 
     propagatedBuildInputs = with self; [
       six isodate pyparsing html5lib keepalive