diff --git a/pkgs/development/python-modules/meinheld/default.nix b/pkgs/development/python-modules/meinheld/default.nix
index 0fced5f3e71..c33aae4d20c 100644
--- a/pkgs/development/python-modules/meinheld/default.nix
+++ b/pkgs/development/python-modules/meinheld/default.nix
@@ -12,7 +12,7 @@ buildPythonPackage rec {
   patchPhase = ''
     # Allow greenlet-1.0.0.
     # See https://github.com/mopemope/meinheld/pull/123
-    substituteInPlace setup.py --replace "greenlet>=0.4.5,<0.5" "greenlet>=0.4.5,<2.0.0"
+    substituteInPlace setup.py --replace "greenlet>=0.4.5,<0.5" "greenlet>=0.4.5"
   '';
 
   propagatedBuildInputs = [ greenlet ];
@@ -20,6 +20,10 @@ buildPythonPackage rec {
   # No tests
   doCheck = false;
 
+  pythonImportsCheck = [
+    "meinheld"
+  ];
+
   meta = with lib; {
     description = "High performance asynchronous Python WSGI Web Server";
     homepage = "https://meinheld.org/";