treewide: switch to nativeCheckInputs

checkInputs used to be added to nativeBuildInputs. Now we have
nativeCheckInputs to do that instead. Doing this treewide change allows
to keep hashes identical to before the introduction of
nativeCheckInputs.

pkgs/development/python2-modules/coverage/default.nix

@@ -15,7 +15,7 @@ buildPythonPackage rec {
 
   # No tests in archive
   doCheck = false;
-  checkInputs = [ mock ];
+  nativeCheckInputs = [ mock ];
 
   meta = {
     description = "Code coverage measurement for python";

pkgs/development/python2-modules/hypothesis/default.nix

@@ -29,7 +29,7 @@ buildPythonPackage rec {
     sortedcontainers
   ] ++ lib.optional (!isPy3k) enum34;
 
-  checkInputs = [ pytest pytest-xdist flaky mock pexpect ];
+  nativeCheckInputs = [ pytest pytest-xdist flaky mock pexpect ];
   inherit doCheck;
 
   checkPhase = ''

pkgs/development/python2-modules/jinja2/default.nix

@@ -16,7 +16,7 @@ buildPythonPackage rec {
     sha256 = "a6d58433de0ae800347cab1fa3043cebbabe8baa9d29e668f1c768cb87a333c6";
   };
 
-  checkInputs = [ pytest ];
+  nativeCheckInputs = [ pytest ];
   propagatedBuildInputs = [ markupsafe setuptools ];
 
   # Multiple tests run out of stack space on 32bit systems with python2.

pkgs/development/python2-modules/mock/default.nix

@@ -27,7 +27,7 @@ buildPythonPackage rec {
   #doCheck = !(python.isPyPy && python.isPy27);
   doCheck = false; # Infinite recursion pytest
 
-  checkInputs = [
+  nativeCheckInputs = [
     unittestCheckHook
     pytest
   ];

pkgs/development/python2-modules/more-itertools/default.nix

@@ -16,7 +16,7 @@ buildPythonPackage rec {
     sha256 = "38a936c0a6d98a38bcc2d03fdaaedaba9f412879461dd2ceff8d37564d6522e4";
   };
 
-  checkInputs = [ nose ];
+  nativeCheckInputs = [ nose ];
   propagatedBuildInputs = [ six ];
 
   # iterable = range(10 ** 10)  # Is efficiently reversible

pkgs/development/python2-modules/packaging/default.nix

@@ -22,7 +22,7 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [ pyparsing six ];
 
-  checkInputs = [
+  nativeCheckInputs = [
     pytestCheckHook
     pretend
   ];

pkgs/development/python2-modules/pip/default.nix

@@ -28,7 +28,7 @@ buildPythonPackage rec {
   # to force it a little.
   pipInstallFlags = [ "--ignore-installed" ];
 
-  checkInputs = [ mock scripttest virtualenv pretend pytest ];
+  nativeCheckInputs = [ mock scripttest virtualenv pretend pytest ];
   # Pip wants pytest, but tests are not distributed
   doCheck = false;
 

pkgs/development/python2-modules/pyparsing/default.nix

@@ -22,7 +22,7 @@ let
 
     # circular dependencies if enabled by default
     doCheck = false;
-    checkInputs = [
+    nativeCheckInputs = [
       jinja2
       railroad-diagrams
     ];

pkgs/development/python2-modules/pytest-xdist/default.nix

@@ -11,7 +11,7 @@ buildPythonPackage rec {
   };
 
   nativeBuildInputs = [ setuptools-scm pytest ];
-  checkInputs = [ pytest filelock ];
+  nativeCheckInputs = [ pytest filelock ];
   propagatedBuildInputs = [ execnet pytest-forked psutil six ];
 
   # Encountered a memory leak

pkgs/development/python2-modules/pytest/default.nix

@@ -16,7 +16,7 @@ buildPythonPackage rec {
       --replace "pluggy>=0.12,<1.0" "pluggy>=0.12,<2.0"
   '';
 
-  checkInputs = [ hypothesis mock ];
+  nativeCheckInputs = [ hypothesis mock ];
   buildInputs = [ setuptools-scm ];
   propagatedBuildInputs = [ attrs py setuptools six pluggy more-itertools atomicwrites wcwidth packaging ]
     ++ lib.optionals (!isPy3k) [ funcsigs ]

pkgs/development/python2-modules/typing/default.nix

@@ -20,7 +20,7 @@ in buildPythonPackage rec {
   # Also, don't bother on PyPy: AssertionError: TypeError not raised
   doCheck = pythonOlder "3.6" && !isPyPy;
 
-  checkInputs = [ unittestCheckHook ];
+  nativeCheckInputs = [ unittestCheckHook ];
 
   unittestFlagsArray = [ "-s" testDir ];
 

pkgs/development/python2-modules/zipp/default.nix

@@ -20,7 +20,7 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [ more-itertools ];
 
-  checkInputs = [ pytest pytest-flake8 ];
+  nativeCheckInputs = [ pytest pytest-flake8 ];
 
   checkPhase = ''
     pytest