diff --git a/pkgs/development/python-modules/codecov/default.nix b/pkgs/development/python-modules/codecov/default.nix
index 3b7ca324fd2c..20c80872fd0f 100644
--- a/pkgs/development/python-modules/codecov/default.nix
+++ b/pkgs/development/python-modules/codecov/default.nix
@@ -1,18 +1,22 @@
 { lib
 , buildPythonPackage
-, fetchPypi
-, requests
 , coverage
-, unittest2
+, ddt
+, fetchFromGitHub
+, mock
+, pytestCheckHook
+, requests
 }:
 
 buildPythonPackage rec {
   pname = "codecov";
   version = "2.1.12";
 
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "sha256-oNpGu1AlQm2ola+Qk43vjuEtN/y8u7wVttxkz368UcE=";
+  src = fetchFromGitHub {
+    owner = "codecov";
+    repo = "codecov-python";
+    rev = "v${version}";
+    sha256 = "0bdk1cp3hxydpx9knqfv88ywwzw7yqhywi0inxjd6x53qh75prqy";
   };
 
   propagatedBuildInputs = [
@@ -20,14 +24,22 @@ buildPythonPackage rec {
     coverage
   ];
 
-  checkInputs = [ unittest2 ];
+  checkInputs = [
+    ddt
+    mock
+    pytestCheckHook
+  ];
 
-  postPatch = ''
-    sed -i 's/, "argparse"//' setup.py
-  '';
+  pytestFlagsArray = [ "tests/test.py" ];
 
-  # No tests in archive
-  doCheck = false;
+  disabledTests = [
+    # No git repo available and network
+    "test_bowerrc_none"
+    "test_prefix"
+    "test_send"
+  ];
+
+  pythonImportsCheck = [ "codecov" ];
 
   meta = with lib; {
     description = "Python report uploader for Codecov";