diff --git a/pkgs/development/python-modules/backports_unittest-mock/default.nix b/pkgs/development/python-modules/backports_unittest-mock/default.nix
index a55eeff511f..b85c642787e 100644
--- a/pkgs/development/python-modules/backports_unittest-mock/default.nix
+++ b/pkgs/development/python-modules/backports_unittest-mock/default.nix
@@ -13,9 +13,14 @@ buildPythonPackage rec {
 
   buildInputs = [ setuptools_scm ];
 
+  # does not contain tests
+  doCheck = false;
+  pythonImportsCheck = [ "backports.unittest_mock" ];
+
   meta = with stdenv.lib; {
     description = "Provides a function install() which makes the mock module";
     homepage = "https://github.com/jaraco/backports.unittest_mock";
     license = licenses.mit;
+    maintainers = with maintainers; [ SuperSandro2000 ];
   };
 }
diff --git a/pkgs/development/python-modules/pytest-black/default.nix b/pkgs/development/python-modules/pytest-black/default.nix
index 20b2483c9d1..6f23c00baf3 100644
--- a/pkgs/development/python-modules/pytest-black/default.nix
+++ b/pkgs/development/python-modules/pytest-black/default.nix
@@ -18,6 +18,8 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [ black pytest toml ];
 
+  # does not contain tests
+  doCheck = false;
   pythonImportsCheck = [ "pytest_black" ];
 
   meta = with lib; {
diff --git a/pkgs/development/python-modules/pytest-mypy/default.nix b/pkgs/development/python-modules/pytest-mypy/default.nix
index 2d2a3264e74..9062284d5df 100644
--- a/pkgs/development/python-modules/pytest-mypy/default.nix
+++ b/pkgs/development/python-modules/pytest-mypy/default.nix
@@ -17,8 +17,13 @@ buildPythonPackage rec {
   };
 
   nativeBuildInputs = [ setuptools_scm ];
+
   propagatedBuildInputs = [ pytest mypy filelock ];
 
+  # does not contain tests
+  doCheck = false;
+  pythonImportsCheck = [ "pytest_mypy" ];
+
   meta = with lib; {
     description = "Mypy static type checker plugin for Pytest";
     homepage = "https://github.com/dbader/pytest-mypy";
diff --git a/pkgs/development/python-modules/setuptools-scm-git-archive/default.nix b/pkgs/development/python-modules/setuptools-scm-git-archive/default.nix
index 9c08871339a..d2b46405496 100644
--- a/pkgs/development/python-modules/setuptools-scm-git-archive/default.nix
+++ b/pkgs/development/python-modules/setuptools-scm-git-archive/default.nix
@@ -14,6 +14,9 @@ buildPythonPackage rec {
 
   checkInputs = [ pytest ];
 
+  doCheck = false;
+  pythonImportsCheck = [ "setuptools_scm_git_archive" ];
+
   meta = with stdenv.lib; {
     description = "setuptools_scm plugin for git archives";
     homepage = "https://github.com/Changaco/setuptools_scm_git_archive";