diff --git a/pkgs/development/python-modules/behave/default.nix b/pkgs/development/python-modules/behave/default.nix
index 60160b128a4..722117ba6e8 100644
--- a/pkgs/development/python-modules/behave/default.nix
+++ b/pkgs/development/python-modules/behave/default.nix
@@ -1,23 +1,22 @@
 { stdenv, fetchPypi
-, buildPythonApplication, python, pythonAtLeast
-, mock, nose, pyhamcrest
+, buildPythonApplication, isPy27, python, pythonOlder
+, mock, nose, pathpy, pyhamcrest, pytest
 , glibcLocales, parse, parse-type, six
+, traceback2
 }:
 buildPythonApplication rec {
   pname = "behave";
   version = "1.2.6";
   name = "${pname}-${version}";
 
-  disabled = pythonAtLeast "3.6";
-
   src = fetchPypi {
     inherit pname version;
-    sha256 = "b9662327aa53294c1351b0a9c369093ccec1d21026f050c3bd9b3e5cccf81a86";
+    sha256 = "11hsz365qglvpp1m1w16239c3kiw15lw7adha49lqaakm8kj6rmr";
   };
 
-  checkInputs = [ mock nose pyhamcrest ];
+  checkInputs = [ mock nose pathpy pyhamcrest pytest ];
   buildInputs = [ glibcLocales ];
-  propagatedBuildInputs = [ parse parse-type six ];
+  propagatedBuildInputs = [ parse parse-type six ] ++ stdenv.lib.optional (pythonOlder "3.0") traceback2;
 
   postPatch = ''
     patchShebangs bin
@@ -29,7 +28,7 @@ buildPythonApplication rec {
     export LANG="en_US.UTF-8"
     export LC_ALL="en_US.UTF-8"
 
-    nosetests -x
+    pytest test tests
 
     ${python.interpreter} bin/behave -f progress3 --stop --tags='~@xfail' features/
     ${python.interpreter} bin/behave -f progress3 --stop --tags='~@xfail' tools/test-features/
diff --git a/pkgs/development/python-modules/bibtexparser/default.nix b/pkgs/development/python-modules/bibtexparser/default.nix
index 06d7c689e65..05ee0ea9553 100644
--- a/pkgs/development/python-modules/bibtexparser/default.nix
+++ b/pkgs/development/python-modules/bibtexparser/default.nix
@@ -1,10 +1,7 @@
 { lib
-, buildPythonPackage
-, fetchFromGitHub
-, pyparsing
-, future
-, nose
-, glibcLocales
+, buildPythonPackage, fetchFromGitHub
+, future, pyparsing
+, glibcLocales, nose
 }:
 
 buildPythonPackage rec {
@@ -19,7 +16,7 @@ buildPythonPackage rec {
     sha256 = "0lmlarkfbq2hp1wa04a62245jr2mqizqsdlgilj5aq6vy92gr6ai";
   };
 
-  propagatedBuildInputs = [ pyparsing future ];
+  propagatedBuildInputs = [ future pyparsing ];
 
   checkInputs = [ nose glibcLocales ];
 
diff --git a/pkgs/development/python-modules/parse-type/default.nix b/pkgs/development/python-modules/parse-type/default.nix
index 8c927e4aed0..ac150af4b78 100644
--- a/pkgs/development/python-modules/parse-type/default.nix
+++ b/pkgs/development/python-modules/parse-type/default.nix
@@ -6,21 +6,13 @@
 
 buildPythonPackage rec {
   pname = "parse_type";
-  version = "0.3.4";
+  version = "0.4.2";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "3dd0b323bafcb8c25e000ce5589042a1c99cba9c3bec77b9f591e46bc9606147";
+    sha256 = "0g3b6gsdwnm8dpkh2vn34q6dzxm9gl908ggyzcv31n9xbp3vv5pm";
   };
 
-  patches = [
-    (fetchpatch {
-      name = "python-3.5-tests-compat.patch";
-      url = "https://github.com/jenisys/parse_type/pull/4.patch";
-      sha256 = "1mmn2fxss6q3qhaydd4s4v8vjgvgkg41v1vcivrzdsvgsc3npg7m";
-    })
-  ];
-
   checkInputs = [ pytest pytestrunner ];
   propagatedBuildInputs = [ parse six ] ++ stdenv.lib.optional (pythonOlder "3.4") enum34;
 
diff --git a/pkgs/development/python-modules/parse/default.nix b/pkgs/development/python-modules/parse/default.nix
index eaca200e2bf..36153c10229 100644
--- a/pkgs/development/python-modules/parse/default.nix
+++ b/pkgs/development/python-modules/parse/default.nix
@@ -3,22 +3,14 @@
 }:
 buildPythonPackage rec {
   pname = "parse";
-  version = "1.6.6";
+  version = "1.8.2";
   name = "${pname}-${version}";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "71435aaac494e08cec76de646de2aab8392c114e56fe3f81c565ecc7eb886178";
+    sha256 = "1lj9v1q4imszyhvipb6drsm3xdl35nan011mqxxas1yaypixsj40";
   };
 
-  patches = [
-    (fetchpatch {
-      name = "python-3.5-tests-compat.patch";
-      url = "https://github.com/r1chardj0n3s/parse/pull/34.patch";
-      sha256 = "16iicgkf3lwivmdnp3xkq4n87wjmr3nb77z8mwz67b7by9nnp3jg";
-    })
-  ];
-
   checkPhase = ''
     ${python.interpreter} test_parse.py
   '';