diff --git a/pkgs/development/python-modules/backports_functools_lru_cache/default.nix b/pkgs/development/python-modules/backports_functools_lru_cache/default.nix
index bcaa844720bd..2a8b5e7960d4 100644
--- a/pkgs/development/python-modules/backports_functools_lru_cache/default.nix
+++ b/pkgs/development/python-modules/backports_functools_lru_cache/default.nix
@@ -2,10 +2,11 @@
 , buildPythonPackage
 , fetchPypi
 , setuptools_scm
-, pythonOlder
+, isPy3k
+, pytest
 }:
 
-if !(pythonOlder "3.3") then null else buildPythonPackage rec {
+buildPythonPackage rec {
   pname = "backports.functools_lru_cache";
   version = "1.5";
 
@@ -15,7 +16,15 @@ if !(pythonOlder "3.3") then null else buildPythonPackage rec {
   };
 
   buildInputs = [ setuptools_scm ];
-  doCheck = false; # No proper test
+
+  checkInputs = [ pytest ];
+
+  checkPhase = ''
+    pytest
+  '';
+
+  # Test fail on Python 2
+  doCheck = isPy3k;
 
   meta = {
     description = "Backport of functools.lru_cache";
diff --git a/pkgs/development/python-modules/cheroot/default.nix b/pkgs/development/python-modules/cheroot/default.nix
index 08a455eb40c3..96602c624a47 100644
--- a/pkgs/development/python-modules/cheroot/default.nix
+++ b/pkgs/development/python-modules/cheroot/default.nix
@@ -1,39 +1,30 @@
-{ stdenv, fetchPypi, buildPythonPackage, fetchpatch
-, more-itertools, six
-, pytest, pytestcov, portend
-, backports_unittest-mock
+{ stdenv, fetchPypi, buildPythonPackage
+, more-itertools, six, setuptools_scm, setuptools-scm-git-archive
+, pytest, pytestcov, portend, pytest-testmon, pytest-mock
+, backports_unittest-mock, pyopenssl, requests, trustme, requests-unixsocket
 , backports_functools_lru_cache }:
 
 buildPythonPackage rec {
   pname = "cheroot";
-  version = "6.3.3";
+  version = "6.5.5";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "8e3ac15e1efffc81425a693e99b3c09d7ea4bf947255d8d4c38e2cf76f3a4d25";
+    sha256 = "f6a85e005adb5bc5f3a92b998ff0e48795d4d98a0fbb7edde47a7513d4100601";
   };
 
-  patches = fetchpatch {
-    name = "cheroot-fix-setup-python3.patch";
-    url = "https://git.archlinux.org/svntogit/community.git/plain/trunk/cheroot-fix-setup-python3.patch?h=packages/python-cheroot&id=9b33cb0885b3c0d91adeacae23761a4321eb0e64";
-    sha256 = "1rlgz0qln536y00mfqlf0i9hz3f53id73wh47cg5q2vcsw1w2bpc";
-  };
+  nativeBuildInputs = [ setuptools_scm setuptools-scm-git-archive ];
 
   propagatedBuildInputs = [ more-itertools six backports_functools_lru_cache ];
 
-  checkInputs = [ pytest pytestcov portend backports_unittest-mock ];
-
-# Disable testmon, it needs pytest-testmon, which we do not currently have in nikpkgs,
-# and is only used to skip some tests that are already known to work.
-  postPatch = ''
-    substituteInPlace "./pytest.ini" --replace "--testmon" ""
-    substituteInPlace setup.py --replace "use_scm_version=True" "version=\"${version}\"" \
-  --replace "'setuptools_scm>=1.15.0'," "" \
-  --replace "'setuptools_scm_git_archive>=1.0'," "" \
-  '';
+  checkInputs = [ pytest pytestcov portend backports_unittest-mock pytest-mock pytest-testmon pyopenssl requests trustme requests-unixsocket ];
 
+  # Disable doctest plugin because times out
+  # Deselect test_bind_addr_unix on darwin because times out
+  # Deselect test_http_over_https_error on darwin because builtin cert fails
   checkPhase = ''
-    py.test cheroot
+    substituteInPlace pytest.ini --replace "--doctest-modules" ""
+    pytest ${stdenv.lib.optionalString stdenv.isDarwin "--deselect=cheroot/test/test_ssl.py::test_http_over_https_error --deselect=cheroot/test/test_server.py::test_bind_addr_unix"}
   '';
 
   meta = with stdenv.lib; {
diff --git a/pkgs/development/python-modules/cherrypy/17.nix b/pkgs/development/python-modules/cherrypy/17.nix
index daeb6ca45267..d9b9166e0f0d 100644
--- a/pkgs/development/python-modules/cherrypy/17.nix
+++ b/pkgs/development/python-modules/cherrypy/17.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchPypi
+{ stdenv, buildPythonPackage, fetchPypi
 , setuptools_scm
 , cheroot, contextlib2, portend, routes, six, zc_lockfile
 , backports_unittest-mock, objgraph, pathpy, pytest, pytestcov, backports_functools_lru_cache, requests_toolbelt
@@ -6,12 +6,12 @@
 
 buildPythonPackage rec {
   pname = "cherrypy";
-  version = "17.4.1";
+  version = "17.4.2";
 
   src = fetchPypi {
     pname = "CherryPy";
     inherit version;
-    sha256 = "1kl17anzz535jgkn9qcy0c2m0zlafph0iv7ph3bb9mfrs2bgvagv";
+    sha256 = "ef1619ad161f526745d4f0e4e517753d9d985814f1280e330661333d2ba05cdf";
   };
 
   propagatedBuildInputs = [
@@ -25,10 +25,10 @@ buildPythonPackage rec {
   ];
 
   checkPhase = ''
-    pytest
+    pytest ${stdenv.lib.optionalString stdenv.isDarwin "--ignore=cherrypy/test/test_wsgi_unix_socket.py"}
   '';
 
-  meta = with lib; {
+  meta = with stdenv.lib; {
     homepage = https://www.cherrypy.org;
     description = "A pythonic, object-oriented HTTP framework";
     license = licenses.bsd3;
diff --git a/pkgs/development/python-modules/cherrypy/default.nix b/pkgs/development/python-modules/cherrypy/default.nix
index a0c8d24889df..75152d39aeb4 100644
--- a/pkgs/development/python-modules/cherrypy/default.nix
+++ b/pkgs/development/python-modules/cherrypy/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchPypi, isPy3k
+{ stdenv, buildPythonPackage, fetchPypi, isPy3k
 , setuptools_scm
 , cheroot, portend, more-itertools, zc_lockfile, routes
 , objgraph, pytest, pytestcov, pathpy, requests_toolbelt, pytest-services
@@ -29,11 +29,13 @@ buildPythonPackage rec {
     objgraph pytest pytestcov pathpy requests_toolbelt pytest-services
   ];
 
+  # Disable doctest plugin because times out
   checkPhase = ''
-    pytest
+    substituteInPlace pytest.ini --replace "--doctest-modules" ""
+    pytest --deselect=cherrypy/test/test_static.py::StaticTest::test_null_bytes ${stdenv.lib.optionalString stdenv.isDarwin "--deselect=cherrypy/test/test_bus.py::BusMethodTests::test_block"}
   '';
 
-  meta = with lib; {
+  meta = with stdenv.lib; {
     homepage = https://www.cherrypy.org;
     description = "A pythonic, object-oriented HTTP framework";
     license = licenses.bsd3;
diff --git a/pkgs/development/python-modules/portend/default.nix b/pkgs/development/python-modules/portend/default.nix
index a8dc0e9907af..5da7a7941c0f 100644
--- a/pkgs/development/python-modules/portend/default.nix
+++ b/pkgs/development/python-modules/portend/default.nix
@@ -21,7 +21,7 @@ buildPythonPackage rec {
   checkInputs = [ pytest ];
 
   checkPhase = ''
-    py.test
+    py.test --deselect=test_portend.py::TestChecker::test_check_port_listening
   '';
 
   meta = with stdenv.lib; {
diff --git a/pkgs/development/python-modules/pytest-testmon/default.nix b/pkgs/development/python-modules/pytest-testmon/default.nix
index 1a4cc260ff44..17fb56a0588b 100644
--- a/pkgs/development/python-modules/pytest-testmon/default.nix
+++ b/pkgs/development/python-modules/pytest-testmon/default.nix
@@ -7,11 +7,11 @@
 
 buildPythonPackage rec {
   pname = "pytest-testmon";
-  version = "0.9.16";
+  version = "0.9.18";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "df00594e55f8f8f826e0e345dc23863ebac066eb749f8229c515a0373669c5bb";
+    sha256 = "05648f9b22aeeda9d32e61b46fa78c9ff28f217d69005b3b19ffb75d5992187e";
   };
 
   buildInputs = [ pytest ];
@@ -21,7 +21,7 @@ buildPythonPackage rec {
   checkInputs = [ pytest ];
 
   checkPhase = ''
-    pytest test
+    pytest --deselect=test/test_testmon.py::TestmonDeselect::test_dependent_testmodule
   '';
 
   meta = with lib; {
diff --git a/pkgs/development/python-modules/setuptools-scm-git-archive/default.nix b/pkgs/development/python-modules/setuptools-scm-git-archive/default.nix
new file mode 100644
index 000000000000..9c08871339a5
--- /dev/null
+++ b/pkgs/development/python-modules/setuptools-scm-git-archive/default.nix
@@ -0,0 +1,23 @@
+{ stdenv, buildPythonPackage, fetchPypi, setuptools_scm, pytest }:
+
+buildPythonPackage rec {
+  pname = "setuptools-scm-git-archive";
+  version = "1.1";
+
+  src = fetchPypi {
+    inherit version;
+    pname = "setuptools_scm_git_archive";
+    sha256 = "6026f61089b73fa1b5ee737e95314f41cb512609b393530385ed281d0b46c062";
+  };
+
+  nativeBuildInputs = [ setuptools_scm ];
+
+  checkInputs = [ pytest ];
+
+  meta = with stdenv.lib; {
+    description = "setuptools_scm plugin for git archives";
+    homepage = "https://github.com/Changaco/setuptools_scm_git_archive";
+    license = licenses.mit;
+    maintainers = [ maintainers.marsam ];
+  };
+}
diff --git a/pkgs/development/python-modules/tempora/default.nix b/pkgs/development/python-modules/tempora/default.nix
index 861054ed948f..10de193866b3 100644
--- a/pkgs/development/python-modules/tempora/default.nix
+++ b/pkgs/development/python-modules/tempora/default.nix
@@ -1,5 +1,5 @@
 { lib, buildPythonPackage, fetchPypi
-, setuptools_scm
+, setuptools_scm, pytest, freezegun, backports_unittest-mock
 , six, pytz, jaraco_functools }:
 
 buildPythonPackage rec {
@@ -11,12 +11,17 @@ buildPythonPackage rec {
     sha256 = "cb60b1d2b1664104e307f8e5269d7f4acdb077c82e35cd57246ae14a3427d2d6";
   };
 
-  doCheck = false;
-
   buildInputs = [ setuptools_scm ];
 
   propagatedBuildInputs = [ six pytz jaraco_functools ];
 
+  checkInputs = [ pytest freezegun backports_unittest-mock ];
+
+  checkPhase = ''
+    substituteInPlace pytest.ini --replace "--flake8" ""
+    pytest
+  '';
+
   meta = with lib; {
     description = "Objects and routines pertaining to date and time";
     homepage = https://github.com/jaraco/tempora;
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 69ea0d72a60d..7ff3e6d81496 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4655,6 +4655,8 @@ in {
 
   setuptools_scm = callPackage ../development/python-modules/setuptools_scm { };
 
+  setuptools-scm-git-archive = callPackage ../development/python-modules/setuptools-scm-git-archive { };
+
   serverlessrepo = callPackage ../development/python-modules/serverlessrepo { };
 
   shippai = callPackage ../development/python-modules/shippai {};