diff --git a/pkgs/applications/office/pympress/default.nix b/pkgs/applications/office/pympress/default.nix
index b4307eb286e..ebc93edba6e 100644
--- a/pkgs/applications/office/pympress/default.nix
+++ b/pkgs/applications/office/pympress/default.nix
@@ -1,13 +1,10 @@
 { lib
 , python3Packages
 , wrapGAppsHook
-, xvfb_run
 , gtk3
 , gobject-introspection
 , libcanberra-gtk3
-, dbus
 , poppler_gi
-, python3
  }:
 
 python3Packages.buildPythonApplication rec {
diff --git a/pkgs/development/python-modules/PyRMVtransport/default.nix b/pkgs/development/python-modules/PyRMVtransport/default.nix
index 86fb75f1454..62ea5546ed1 100644
--- a/pkgs/development/python-modules/PyRMVtransport/default.nix
+++ b/pkgs/development/python-modules/PyRMVtransport/default.nix
@@ -1,8 +1,14 @@
-{ lib, buildPythonPackage, fetchFromGitHub
-, flit
-, lxml, httpx
-, pytest, pytestcov, pytest-asyncio, pytest-mock, aresponses
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
 , pythonOlder
+, flit
+, async-timeout
+, lxml
+, httpx
+, pytestCheckHook
+, pytest-asyncio
+, pytest-httpx
 }:
 
 buildPythonPackage rec {
@@ -23,24 +29,18 @@ buildPythonPackage rec {
   ];
 
   propagatedBuildInputs = [
+    async-timeout
     httpx
     lxml
   ];
 
-  # requires pytest-httpx
-  doCheck = false;
+  pythonImportsCheck = [ "RMVtransport" ];
 
   checkInputs = [
-    pytest
-    pytestcov
+    pytestCheckHook
     pytest-asyncio
-    pytest-mock
-    # pytest-httpx is missing
-    aresponses
+    pytest-httpx
   ];
-  checkPhase = ''
-    pytest --cov=RMVtransport tests
-  '';
 
   meta = with lib; {
     homepage = "https://github.com/cgtobi/PyRMVtransport";
diff --git a/pkgs/development/python-modules/aiorun/default.nix b/pkgs/development/python-modules/aiorun/default.nix
index a0a3d74e578..9c677650555 100644
--- a/pkgs/development/python-modules/aiorun/default.nix
+++ b/pkgs/development/python-modules/aiorun/default.nix
@@ -3,7 +3,7 @@
 , fetchFromGitHub
 , isPy27
 , pygments
-, pytest
+, pytestCheckHook
 , pytestcov
 , uvloop
 }:
@@ -27,7 +27,7 @@ buildPythonPackage rec {
   ];
 
   checkInputs = [
-    pytest
+    pytestCheckHook
     pytestcov
     uvloop
   ];
@@ -37,9 +37,7 @@ buildPythonPackage rec {
     export HOME=$TMPDIR
   '';
 
-  checkPhase = ''
-     pytest
-  '';
+  pythonImportsCheck = [ "aiorun" ];
 
   meta = with lib; {
     description = "Boilerplate for asyncio applications";
diff --git a/pkgs/development/python-modules/asyncpg/default.nix b/pkgs/development/python-modules/asyncpg/default.nix
index 826ee6103fc..e2f2f242780 100644
--- a/pkgs/development/python-modules/asyncpg/default.nix
+++ b/pkgs/development/python-modules/asyncpg/default.nix
@@ -1,4 +1,4 @@
-{ lib, isPy3k, fetchPypi, fetchpatch, buildPythonPackage
+{ lib, isPy3k, fetchPypi, buildPythonPackage
 , uvloop, postgresql }:
 
 buildPythonPackage rec {
@@ -16,6 +16,8 @@ buildPythonPackage rec {
     postgresql
   ];
 
+  pythonImportsCheck = [ "asyncpg" ];
+
   meta = with lib; {
     homepage = "https://github.com/MagicStack/asyncpg";
     description = "An asyncio PosgtreSQL driver";
diff --git a/pkgs/development/python-modules/aws-adfs/default.nix b/pkgs/development/python-modules/aws-adfs/default.nix
index ce4c6f78926..efe4780c0a4 100644
--- a/pkgs/development/python-modules/aws-adfs/default.nix
+++ b/pkgs/development/python-modules/aws-adfs/default.nix
@@ -26,6 +26,8 @@ buildPythonPackage rec {
   checkInputs = [ glibcLocales pytest pytestrunner pytestcov mock ];
   propagatedBuildInputs = [ botocore lxml requests requests-kerberos click configparser fido2 ];
 
+  pythonImportsCheck = [ "aws_adfs" ];
+
   meta = with lib; {
     description = "Command line tool to ease aws cli authentication against ADFS";
     homepage = "https://github.com/venth/aws-adfs";
diff --git a/pkgs/development/python-modules/buildbot/default.nix b/pkgs/development/python-modules/buildbot/default.nix
index f4c5bfb1622..6b27e8e5d42 100644
--- a/pkgs/development/python-modules/buildbot/default.nix
+++ b/pkgs/development/python-modules/buildbot/default.nix
@@ -1,5 +1,5 @@
 { stdenv, lib, buildPythonPackage, fetchPypi, makeWrapper, isPy3k,
-  python, twisted, jinja2, zope_interface, future, sqlalchemy,
+  python, twisted, jinja2, zope_interface, sqlalchemy,
   sqlalchemy_migrate, dateutil, txaio, autobahn, pyjwt, pyyaml, treq,
   txrequests, pypugjs, boto3, moto, mock, python-lz4, setuptoolsTrial,
   isort, pylint, flake8, buildbot-worker, buildbot-pkg, buildbot-plugins,
diff --git a/pkgs/development/python-modules/cornice/default.nix b/pkgs/development/python-modules/cornice/default.nix
index 6c488a271e2..fc470e012fb 100644
--- a/pkgs/development/python-modules/cornice/default.nix
+++ b/pkgs/development/python-modules/cornice/default.nix
@@ -20,6 +20,7 @@ buildPythonPackage rec {
 
   # tests not packaged with pypi release
   doCheck = false;
+  pythonImportsCheck = [ "cornice" ];
 
   meta = with lib; {
     homepage = "https://github.com/mozilla-services/cornice";
@@ -27,5 +28,4 @@ buildPythonPackage rec {
     license = licenses.mpl20;
     maintainers = [ maintainers.costrouc ];
   };
-
 }
diff --git a/pkgs/development/python-modules/easywatch/default.nix b/pkgs/development/python-modules/easywatch/default.nix
index a56ffb95281..36f3ea0de6e 100644
--- a/pkgs/development/python-modules/easywatch/default.nix
+++ b/pkgs/development/python-modules/easywatch/default.nix
@@ -17,6 +17,7 @@ buildPythonPackage rec {
 
   # There are no tests
   doCheck = false;
+  pythonImportsCheck = [ "easywatch" ];
 
   meta = with lib; {
     description = "Dead-simple way to watch a directory";
diff --git a/pkgs/development/python-modules/fido2/default.nix b/pkgs/development/python-modules/fido2/default.nix
index 96019f61cac..ac8e912ba3d 100644
--- a/pkgs/development/python-modules/fido2/default.nix
+++ b/pkgs/development/python-modules/fido2/default.nix
@@ -20,6 +20,8 @@ buildPythonPackage rec {
 
   checkInputs = [ mock pyfakefs ];
 
+  pythonImportsCheck = [ "fido2" ];
+
   meta = with lib; {
     description = "Provides library functionality for FIDO 2.0, including communication with a device over USB.";
     homepage = "https://github.com/Yubico/python-fido2";
diff --git a/pkgs/development/python-modules/hupper/default.nix b/pkgs/development/python-modules/hupper/default.nix
index 1fe5ab7153d..27e308ee447 100644
--- a/pkgs/development/python-modules/hupper/default.nix
+++ b/pkgs/development/python-modules/hupper/default.nix
@@ -1,5 +1,10 @@
-{ lib, stdenv, buildPythonPackage, fetchPypi
-, pytest, pytestcov, watchdog, mock
+{ lib
+, stdenv
+, buildPythonPackage
+, fetchPypi
+, pytestCheckHook
+, pytest-cov
+, watchdog
 }:
 
 buildPythonPackage rec {
@@ -11,11 +16,14 @@ buildPythonPackage rec {
     sha256 = "3818f53dabc24da66f65cf4878c1c7a9b5df0c46b813e014abdd7c569eb9a02a";
   };
 
-  checkPhase = ''
-    py.test
-  '';
-
   # FIXME: watchdog dependency is disabled on Darwin because of #31865, which causes very silent
   # segfaults in the testsuite that end up failing the tests in a background thread (in myapp)
-  checkInputs = [ pytest pytestcov mock ] ++ lib.optional (!stdenv.isDarwin) watchdog;
+  checkInputs = [ pytestCheckHook pytest-cov ] ++ lib.optional (!stdenv.isDarwin) watchdog;
+
+  meta = with lib; {
+    description = "in-process file monitor / reloader for reloading your code automatically during development";
+    homepage = "https://github.com/Pylons/hupper";
+    license = licenses.mit;
+    maintainers = with maintainers; [ ];
+  };
 }
diff --git a/pkgs/development/python-modules/lektor/default.nix b/pkgs/development/python-modules/lektor/default.nix
index 844e28aa078..febb1b1f0b1 100644
--- a/pkgs/development/python-modules/lektor/default.nix
+++ b/pkgs/development/python-modules/lektor/default.nix
@@ -12,8 +12,8 @@
 , flask
 , pyopenssl
 , ndg-httpsclient
-, pytest
-, pytestcov
+, pytestCheckHook
+, pytest-cov
 , pytest-mock
 , pytest-pylint
 , pytest-click
@@ -39,13 +39,9 @@ buildPythonPackage rec {
   ] ++ lib.optionals isPy27 [ functools32 ];
 
   checkInputs = [
-    pytest pytestcov pytest-mock pytest-pylint pytest-click
+    pytestCheckHook pytest-cov pytest-mock pytest-pylint pytest-click
   ];
 
-  checkPhase = ''
-    pytest
-  '';
-
   # many errors -- tests assume inside of git repo, linting errors 13/317 fail
   doCheck = false;
 
diff --git a/pkgs/development/python-modules/pyfakefs/default.nix b/pkgs/development/python-modules/pyfakefs/default.nix
index 8fac00e871e..8ba9b3fc46f 100644
--- a/pkgs/development/python-modules/pyfakefs/default.nix
+++ b/pkgs/development/python-modules/pyfakefs/default.nix
@@ -23,8 +23,6 @@ buildPythonPackage rec {
     substituteInPlace pyfakefs/tests/fake_os_test.py \
       --replace "test_path_links_not_resolved" "notest_path_links_not_resolved" \
       --replace "test_append_mode_tell_linux_windows" "notest_append_mode_tell_linux_windows"
-    substituteInPlace pyfakefs/tests/fake_filesystem_unittest_test.py \
-      --replace "test_copy_real_file" "notest_copy_real_file"
   '' + (lib.optionalString stdenv.isDarwin ''
     # this test fails on darwin due to case-insensitive file system
     substituteInPlace pyfakefs/tests/fake_os_test.py \
diff --git a/pkgs/development/python-modules/pypugjs/default.nix b/pkgs/development/python-modules/pypugjs/default.nix
index 22ac89cf6a9..4e2bf164a33 100644
--- a/pkgs/development/python-modules/pypugjs/default.nix
+++ b/pkgs/development/python-modules/pypugjs/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchPypi, fetchpatch, six, chardet, nose
+{ lib, buildPythonPackage, fetchPypi, six, chardet, nose
 , django, jinja2, tornado, pyramid, pyramid_mako, Mako }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/pyramid/default.nix b/pkgs/development/python-modules/pyramid/default.nix
index 44ac5a9221a..a26eff37ef2 100644
--- a/pkgs/development/python-modules/pyramid/default.nix
+++ b/pkgs/development/python-modules/pyramid/default.nix
@@ -33,6 +33,8 @@ buildPythonPackage rec {
   # https://github.com/Pylons/pyramid/issues/1899
   doCheck = !isPy35;
 
+  pythonImportsCheck = [ "pyramid" ];
+
   meta = with lib; {
     description = "The Pyramid Web Framework, a Pylons project";
     homepage = "https://trypyramid.com/";
diff --git a/pkgs/development/python-modules/pyramid_beaker/default.nix b/pkgs/development/python-modules/pyramid_beaker/default.nix
index 5c4e7c104bf..9a529214c2e 100644
--- a/pkgs/development/python-modules/pyramid_beaker/default.nix
+++ b/pkgs/development/python-modules/pyramid_beaker/default.nix
@@ -19,6 +19,10 @@ buildPythonPackage rec {
   propagatedBuildInputs = [ beaker pyramid ];
 
   meta = with lib; {
+    description = "Beaker session factory backend for Pyramid";
+    homepage = "https://docs.pylonsproject.org/projects/pyramid_beaker/en/latest/";
+    # idk, see https://github.com/Pylons/pyramid_beaker/blob/master/LICENSE.txt
+    # license = licenses.mpl20;
     maintainers = with maintainers; [ domenkozar ];
   };
 }
diff --git a/pkgs/development/python-modules/pyramid_chameleon/default.nix b/pkgs/development/python-modules/pyramid_chameleon/default.nix
index d3388fdff35..377317049dc 100644
--- a/pkgs/development/python-modules/pyramid_chameleon/default.nix
+++ b/pkgs/development/python-modules/pyramid_chameleon/default.nix
@@ -23,11 +23,12 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [ chameleon pyramid zope_interface setuptools ];
 
+  pythonImportsCheck = [ "pyramid_chameleon" ];
+
   meta = with lib; {
     description = "Chameleon template compiler for pyramid";
     homepage = "https://github.com/Pylons/pyramid_chameleon";
     license = licenses.bsd0;
     maintainers = with maintainers; [ domenkozar ];
   };
-
 }
diff --git a/pkgs/development/python-modules/pyramid_exclog/default.nix b/pkgs/development/python-modules/pyramid_exclog/default.nix
index 55da77f4964..96570fce884 100644
--- a/pkgs/development/python-modules/pyramid_exclog/default.nix
+++ b/pkgs/development/python-modules/pyramid_exclog/default.nix
@@ -15,6 +15,8 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [ pyramid ];
 
+  pythonImportsCheck = [ "pyramid_exclog" ];
+
   meta = with lib; {
     description = "A package which logs to a Python logger when an exception is raised by a Pyramid application";
     homepage = "https://docs.pylonsproject.org/";
diff --git a/pkgs/development/python-modules/pyramid_hawkauth/default.nix b/pkgs/development/python-modules/pyramid_hawkauth/default.nix
index f2f156e98b6..c2e17f8adde 100644
--- a/pkgs/development/python-modules/pyramid_hawkauth/default.nix
+++ b/pkgs/development/python-modules/pyramid_hawkauth/default.nix
@@ -21,10 +21,12 @@ buildPythonPackage rec {
   propagatedBuildInputs = [ pyramid hawkauthlib tokenlib ];
   buildInputs = [ webtest ];
 
+  pythonImportsCheck = [ "pyramid_hawkauth" ];
+
   meta = with lib; {
     homepage = "https://github.com/mozilla-services/pyramid_hawkauth";
     description = "A Pyramid authentication plugin for HAWK";
     license = licenses.mpl20;
+    maintainers = with maintainers; [ ];
   };
-
 }
diff --git a/pkgs/development/python-modules/pyramid_jinja2/default.nix b/pkgs/development/python-modules/pyramid_jinja2/default.nix
index 464d8d209bf..d1eaf49e6bc 100644
--- a/pkgs/development/python-modules/pyramid_jinja2/default.nix
+++ b/pkgs/development/python-modules/pyramid_jinja2/default.nix
@@ -18,11 +18,12 @@ buildPythonPackage rec {
   buildInputs = [ webtest ];
   propagatedBuildInputs = [ jinja2 pyramid ];
 
+  pythonImportsCheck = [ "pyramid_jinja2" ];
+
   meta = with lib; {
     description = "Jinja2 template bindings for the Pyramid web framework";
     homepage = "https://github.com/Pylons/pyramid_jinja2";
     license = licenses.bsd0;
     maintainers = with maintainers; [ domenkozar ];
   };
-
 }
diff --git a/pkgs/development/python-modules/pyramid_mako/default.nix b/pkgs/development/python-modules/pyramid_mako/default.nix
index 2f8c5e1e075..47aa1deb5e2 100644
--- a/pkgs/development/python-modules/pyramid_mako/default.nix
+++ b/pkgs/development/python-modules/pyramid_mako/default.nix
@@ -22,6 +22,6 @@ buildPythonPackage rec {
     homepage = "https://github.com/Pylons/pyramid_mako";
     description = "Mako template bindings for the Pyramid web framework";
     license = licenses.bsd0;
+    maintainers = with maintainers; [];
   };
-
 }
diff --git a/pkgs/development/python-modules/pyramid_multiauth/default.nix b/pkgs/development/python-modules/pyramid_multiauth/default.nix
index 545883a25c1..859d4c3b433 100644
--- a/pkgs/development/python-modules/pyramid_multiauth/default.nix
+++ b/pkgs/development/python-modules/pyramid_multiauth/default.nix
@@ -19,6 +19,6 @@ buildPythonPackage rec {
     description = "Authentication policy for Pyramid that proxies to a stack of other authentication policies";
     homepage = "https://github.com/mozilla-services/pyramid_multiauth";
     license = licenses.mpl20;
+    maintainers = with maintainers; [];
   };
-
 }
diff --git a/pkgs/development/python-modules/pytest-httpx/default.nix b/pkgs/development/python-modules/pytest-httpx/default.nix
new file mode 100644
index 00000000000..d3b6654931b
--- /dev/null
+++ b/pkgs/development/python-modules/pytest-httpx/default.nix
@@ -0,0 +1,26 @@
+{ lib, buildPythonPackage, fetchPypi, httpx, pytest }:
+
+buildPythonPackage rec {
+  pname = "pytest-httpx";
+  version = "0.10.1";
+
+  src = fetchPypi {
+    inherit version;
+    pname = "pytest_httpx";
+    extension = "tar.gz";
+    sha256 = "13ld6nnsc3f7i4zl4qm1jh358z0awr6xfk05azwgngmjb7jmcz0a";
+  };
+
+  propagatedBuildInputs = [ httpx pytest ];
+
+  # not in pypi tarball
+  doCheck = false;
+  pythonImportsCheck = [ "pytest_httpx" ];
+
+  meta = with lib; {
+    description = "Send responses to httpx";
+    homepage = "https://github.com/Colin-b/pytest_httpx";
+    license = licenses.mit;
+    maintainers = with maintainers; [ SuperSandro2000 ];
+  };
+}
diff --git a/pkgs/development/python-modules/pytest-watch/default.nix b/pkgs/development/python-modules/pytest-watch/default.nix
index 12b06c2e1b6..0088bf45e4a 100644
--- a/pkgs/development/python-modules/pytest-watch/default.nix
+++ b/pkgs/development/python-modules/pytest-watch/default.nix
@@ -16,10 +16,11 @@ buildPythonPackage rec {
     sha256 = "06136f03d5b361718b8d0d234042f7b2f203910d8568f63df2f866b547b3d4b9";
   };
 
+  propagatedBuildInputs = [ pytest colorama docopt watchdog ];
+
   # No Tests
   doCheck = false;
-
-  propagatedBuildInputs = [ pytest colorama docopt watchdog ];
+  pythonImportsCheck = [ "pytest_watch" ];
 
   meta = with lib; {
     homepage = "https://github.com/joeyespo/pytest-watch";
@@ -28,4 +29,3 @@ buildPythonPackage rec {
     maintainers = with maintainers; [ dmvianna ];
   };
 }
-
diff --git a/pkgs/development/python-modules/pyu2f/default.nix b/pkgs/development/python-modules/pyu2f/default.nix
index c703a8fe30c..281511192fe 100644
--- a/pkgs/development/python-modules/pyu2f/default.nix
+++ b/pkgs/development/python-modules/pyu2f/default.nix
@@ -20,7 +20,7 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [ six ];
 
-  checkInputs = [ pytest six mock pyfakefs unittest2 ];
+  checkInputs = [ pytest mock pyfakefs unittest2 ];
 
   checkPhase = ''
     pytest pyu2f/tests
diff --git a/pkgs/development/python-modules/respx/default.nix b/pkgs/development/python-modules/respx/default.nix
index 61e2016a497..68da058194b 100644
--- a/pkgs/development/python-modules/respx/default.nix
+++ b/pkgs/development/python-modules/respx/default.nix
@@ -1,5 +1,4 @@
 { lib
-, attrs
 , buildPythonPackage
 , fetchFromGitHub
 , httpcore
@@ -8,7 +7,6 @@
 , pytest-cov
 , pytestCheckHook
 , trio
-, xmltodict
 }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/spyder-kernels/0.x.nix b/pkgs/development/python-modules/spyder-kernels/0.x.nix
index a760033c915..43a2f5b460f 100644
--- a/pkgs/development/python-modules/spyder-kernels/0.x.nix
+++ b/pkgs/development/python-modules/spyder-kernels/0.x.nix
@@ -60,6 +60,7 @@ buildPythonPackage rec {
     "test_turtle_launc"
     "test_umr_skip_cython"
     "test_umr_pathlist"
+    "test_user_sitepackages_in_pathlist"
   ];
 
   meta = with lib; {
diff --git a/pkgs/development/python-modules/spyder/3.nix b/pkgs/development/python-modules/spyder/3.nix
index 0fb98fa38e3..2618ccfcd8c 100644
--- a/pkgs/development/python-modules/spyder/3.nix
+++ b/pkgs/development/python-modules/spyder/3.nix
@@ -31,6 +31,8 @@ buildPythonPackage rec {
     substituteInPlace setup.py --replace "pyqt5<5.13" "pyqt5"
   '';
 
+  pythonImportsCheck = [ "spyder" ];
+
   meta = with lib; {
     description = "Library providing a scientific python development environment";
     longDescription = ''
diff --git a/pkgs/development/tools/aws-sam-cli/default.nix b/pkgs/development/tools/aws-sam-cli/default.nix
index 0859ed51323..1429fcab4c6 100644
--- a/pkgs/development/tools/aws-sam-cli/default.nix
+++ b/pkgs/development/tools/aws-sam-cli/default.nix
@@ -1,5 +1,4 @@
-{ fetchFromGitHub
-, lib
+{ lib
 , python3
 , enableTelemetry ? false
 }:
diff --git a/pkgs/development/tools/misc/blackmagic/default.nix b/pkgs/development/tools/misc/blackmagic/default.nix
index c49187273c4..fc1af1a4d68 100644
--- a/pkgs/development/tools/misc/blackmagic/default.nix
+++ b/pkgs/development/tools/misc/blackmagic/default.nix
@@ -42,7 +42,7 @@ stdenv.mkDerivation rec {
   '';
 
   buildPhase = "${stdenv.shell} ${./helper.sh}";
-  installPhase = ":"; # buildPhase does this.
+  dontInstall = true;
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/servers/uwsgi/default.nix b/pkgs/servers/uwsgi/default.nix
index bd74a628877..ddfa6faf243 100644
--- a/pkgs/servers/uwsgi/default.nix
+++ b/pkgs/servers/uwsgi/default.nix
@@ -5,7 +5,7 @@
 , systemd, withSystemd ? stdenv.isLinux
 , libcap, withCap ? stdenv.isLinux
 , python2, python3, ncurses
-, ruby, php, libmysqlclient
+, ruby, php
 }:
 
 let php-embed = php.override {
diff --git a/pkgs/tools/misc/pubs/default.nix b/pkgs/tools/misc/pubs/default.nix
index be5fd6d499c..3b6df828fda 100644
--- a/pkgs/tools/misc/pubs/default.nix
+++ b/pkgs/tools/misc/pubs/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchFromGitHub, fetchpatch, python3Packages }:
+{ lib, fetchFromGitHub, python3Packages }:
 
 python3Packages.buildPythonApplication rec {
   pname = "pubs";
diff --git a/pkgs/tools/misc/yubikey-manager-qt/default.nix b/pkgs/tools/misc/yubikey-manager-qt/default.nix
index 0f81f132abd..1176e440cef 100644
--- a/pkgs/tools/misc/yubikey-manager-qt/default.nix
+++ b/pkgs/tools/misc/yubikey-manager-qt/default.nix
@@ -11,8 +11,6 @@
 , qtgraphicaleffects
 , qtquickcontrols
 , qtquickcontrols2
-, qtdeclarative
-, qtsvg
 , yubikey-manager
 , yubikey-personalization
 }:
diff --git a/pkgs/tools/security/gen-oath-safe/default.nix b/pkgs/tools/security/gen-oath-safe/default.nix
index 51ff5b0e81e..20ee69eeaea 100644
--- a/pkgs/tools/security/gen-oath-safe/default.nix
+++ b/pkgs/tools/security/gen-oath-safe/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ makeWrapper ];
 
-  buildPhase = ":";
+  dontBuild = true;
 
   installPhase =
     let
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 7c1f274c2b7..972bcb2ef38 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -6163,6 +6163,8 @@ in {
 
   pytest-httpserver = callPackage ../development/python-modules/pytest-httpserver { };
 
+  pytest-httpx = callPackage ../development/python-modules/pytest-httpx { };
+
   pytest-instafail = callPackage ../development/python-modules/pytest-instafail { };
 
   pytest-isort = callPackage ../development/python-modules/pytest-isort { };