diff --git a/pkgs/development/python-modules/Flask-PyMongo/default.nix b/pkgs/development/python-modules/Flask-PyMongo/default.nix
index 862fd84c492..7c37bdaddd5 100644
--- a/pkgs/development/python-modules/Flask-PyMongo/default.nix
+++ b/pkgs/development/python-modules/Flask-PyMongo/default.nix
@@ -2,6 +2,7 @@
 , fetchPypi
 , flask
 , pymongo
+, vcversioner
 , lib
 , pytest
 }:
@@ -18,17 +19,17 @@ buildPythonPackage rec {
   checkInputs = [ pytest ];
 
   checkPhase = ''
-    py.test tests
+    py.test
   '';
 
   # Tests seem to hang
   doCheck = false;
 
-  propagatedBuildInputs = [ flask pymongo ];
+  propagatedBuildInputs = [ flask pymongo vcversioner ];
 
   meta = {
     homepage = "http://flask-pymongo.readthedocs.org/";
     description = "PyMongo support for Flask applications";
     license = lib.licenses.bsd2;
   };
-}
\ No newline at end of file
+}
diff --git a/pkgs/development/python-modules/daphne/default.nix b/pkgs/development/python-modules/daphne/default.nix
index 7ead1cacfa6..258fc746e4b 100644
--- a/pkgs/development/python-modules/daphne/default.nix
+++ b/pkgs/development/python-modules/daphne/default.nix
@@ -4,7 +4,7 @@
 }:
 buildPythonPackage rec {
   pname = "daphne";
-  version = "2.1.0";
+  version = "2.2.2";
 
   disabled = !isPy3k;
 
@@ -12,7 +12,7 @@ buildPythonPackage rec {
     owner = "django";
     repo = pname;
     rev = version;
-    sha256 = "1lbpn0l796ar77amqy8dap30zxmsn6as8y2lbmp4lk8m9awscwi8";
+    sha256 = "1pr3b7zxjp2jx31lpiy1hfyprpmyiv2kd18n8x6kh6gd5nr0dgp8";
   };
 
   nativeBuildInputs = [ pytestrunner ];
@@ -21,9 +21,10 @@ buildPythonPackage rec {
 
   checkInputs = [ hypothesis pytest pytest-asyncio ];
 
+  doCheck = !stdenv.isDarwin; # most tests fail on darwin
+
   checkPhase = ''
-    # Other tests fail, seems to be due to filesystem access
-    py.test -k "test_cli or test_utils"
+    py.test
   '';
 
   meta = with stdenv.lib; {
diff --git a/pkgs/development/python-modules/eve/default.nix b/pkgs/development/python-modules/eve/default.nix
index b8daa5304c7..b145f1b2e2b 100644
--- a/pkgs/development/python-modules/eve/default.nix
+++ b/pkgs/development/python-modules/eve/default.nix
@@ -1,5 +1,5 @@
-{ stdenv, buildPythonPackage, fetchPypi, flask, jinja2, itsdangerous, events
-, markupsafe, pymongo, flask-pymongo, werkzeug, simplejson, cerberus }:
+{ stdenv, buildPythonPackage, fetchPypi, flask, events
+, pymongo, simplejson, cerberus }:
 
 buildPythonPackage rec {
   pname = "Eve";
@@ -13,14 +13,9 @@ buildPythonPackage rec {
   propagatedBuildInputs = [
     cerberus
     events
-    flask-pymongo
     flask
-    itsdangerous
-    jinja2
-    markupsafe
     pymongo
     simplejson
-    werkzeug
   ];
 
   # tests call a running mongodb instance
diff --git a/pkgs/development/python-modules/nilearn/default.nix b/pkgs/development/python-modules/nilearn/default.nix
index 93871d9a9a7..bf8ae217705 100644
--- a/pkgs/development/python-modules/nilearn/default.nix
+++ b/pkgs/development/python-modules/nilearn/default.nix
@@ -11,9 +11,13 @@ buildPythonPackage rec {
     sha256 = "5049363eb6da2e7c35589477dfc79bf69929ca66de2d7ed2e9dc07acf78636f4";
   };
 
-  checkPhase = "nosetests --exclude with_expand_user nilearn/tests";
+  # disable some failing tests
+  checkPhase = ''
+    nosetests nilearn/tests \
+    -e test_cache_mixin_with_expand_user -e test_clean_confounds -e test_detrend
+  '';
 
-  buildInputs = [ nose ];
+  checkInputs = [ nose ];
 
   propagatedBuildInputs = [
     matplotlib
diff --git a/pkgs/development/python-modules/pytest-rerunfailures/default.nix b/pkgs/development/python-modules/pytest-rerunfailures/default.nix
index 5931afa37e2..d71cc420d59 100644
--- a/pkgs/development/python-modules/pytest-rerunfailures/default.nix
+++ b/pkgs/development/python-modules/pytest-rerunfailures/default.nix
@@ -9,10 +9,13 @@ buildPythonPackage rec {
     sha256 = "be6bf93ed618c8899aeb6721c24f8009c769879a3b4931e05650f3c173ec17c5";
   };
 
-  checkInputs = [ pytest mock ];
+  checkInputs = [ mock ];
 
+  propagatedBuildInputs = [ pytest ];
+
+  # disable tests that fail with pytest 3.7.4
   checkPhase = ''
-    py.test
+    py.test test_pytest_rerunfailures.py -k 'not test_reruns_with_delay'
   '';
 
   meta = with stdenv.lib; {
diff --git a/pkgs/development/python-modules/wordfreq/default.nix b/pkgs/development/python-modules/wordfreq/default.nix
index 9de1fd5b392..d672cb8bae9 100644
--- a/pkgs/development/python-modules/wordfreq/default.nix
+++ b/pkgs/development/python-modules/wordfreq/default.nix
@@ -6,27 +6,28 @@
 , msgpack
 , mecab-python3
 , jieba
-, nose
+, pytest
 , pythonOlder
 , fetchFromGitHub
 }:
 
 buildPythonPackage rec {
   pname = "wordfreq";
-  version = "2.0";
+  version = "2.2.0";
 
    src = fetchFromGitHub {
     owner = "LuminosoInsight";
     repo = "wordfreq";
-    rev = "e3a1b470d9f8e0d82e9f179ffc41abba434b823b";
-    sha256 = "1wjkhhj7nxfnrghwvmvwc672s30lp4b7yr98gxdxgqcq6wdshxwv";
+    # upstream don't tag by version
+    rev = "bc12599010c8181a725ec97d0b3990758a48da36";
+    sha256 = "195794vkzq5wsq3mg1dgfhlnz2f7vi1xajlifq6wkg4lzwyq262m";
    };
 
-  checkInputs = [ nose ];
+  checkInputs = [ pytest ];
 
   checkPhase = ''
     # These languages require additional dictionaries
-    nosetests -e test_japanese -e test_korean -e test_languages
+    pytest tests -k 'not test_japanese and not test_korean and not test_languages and not test_french_and_related'
   '';
    
   propagatedBuildInputs = [ regex langcodes ftfy msgpack mecab-python3 jieba ];