requirements: bumped/pinned some libraries to sync with CE release

- pyparsing-2.4.5
- pluggy-0.13.1
- contextlib2-0.6.0.post1
- cffi-1.12.3
- attrs-19.3.0

pkgs/python-packages.nix

@@ -16,11 +16,11 b' self: super: {'
     };
   };
   "attrs" = super.buildPythonPackage {
-    name = "attrs-19.1.0";
+    name = "attrs-19.3.0";
     doCheck = false;
     src = fetchurl {
-      url = "https://files.pythonhosted.org/packages/cc/d9/931a24cc5394f19383fbbe3e1147a0291276afa43a0dc3ed0d6cd9fda813/attrs-19.1.0.tar.gz";
-      sha256 = "16g33zr5f449lqc5wgvzpknxryfzrfsxcr6kpgxwn7l5fkv71f7h";
+      url = "https://files.pythonhosted.org/packages/98/c3/2c227e66b5e896e15ccdae2e00bbc69aa46e9a8ce8869cc5fa96310bf612/attrs-19.3.0.tar.gz";
+      sha256 = "0wky4h28n7xnr6xv69p9z6kv8bzn50d10c3drmd9ds8gawbcxdzp";
     };
     meta = {
       license = [ pkgs.lib.licenses.mit ];
@@ -49,14 +49,14 b' self: super: {'
     };
   };
   "cffi" = super.buildPythonPackage {
-    name = "cffi-1.13.2";
+    name = "cffi-1.12.3";
     doCheck = false;
     propagatedBuildInputs = [
       self."pycparser"
     ];
     src = fetchurl {
-      url = "https://files.pythonhosted.org/packages/2d/bf/960e5a422db3ac1a5e612cb35ca436c3fc985ed4b7ed13a1b4879006f450/cffi-1.13.2.tar.gz";
-      sha256 = "0iikq5rn9a405n94c7s2j6kq3jv5qs9q4xyik8657b2py27ix6jr";
+      url = "https://files.pythonhosted.org/packages/93/1a/ab8c62b5838722f29f3daffcc8d4bd61844aa9b5f437341cc890ceee483b/cffi-1.12.3.tar.gz";
+      sha256 = "0x075521fxwv0mfp4cqzk7lvmw4n94bjw601qkcv314z5s182704";
     };
     meta = {
       license = [ pkgs.lib.licenses.mit ];
@@ -88,11 +88,11 b' self: super: {'
     };
   };
   "contextlib2" = super.buildPythonPackage {
-    name = "contextlib2-0.6.0";
+    name = "contextlib2-0.6.0.post1";
     doCheck = false;
     src = fetchurl {
-      url = "https://files.pythonhosted.org/packages/f0/08/ac376929b2c51e2d5fd4b9fa1f72eca0162c990edc526bdd3b16449323ad/contextlib2-0.6.0.tar.gz";
-      sha256 = "1lvy0xvh5kkx0cmv2y8rpxjrg909q920k05x7m8srjkpcxrsm5vi";
+      url = "https://files.pythonhosted.org/packages/02/54/669207eb72e3d8ae8b38aa1f0703ee87a0e9f88f30d3c0a47bebdb6de242/contextlib2-0.6.0.post1.tar.gz";
+      sha256 = "0bhnr2ac7wy5l85ji909gyljyk85n92w8pdvslmrvc8qih4r1x01";
     };
     meta = {
       license = [ pkgs.lib.licenses.psfl ];
@@ -518,14 +518,14 b' self: super: {'
     };
   };
   "pluggy" = super.buildPythonPackage {
-    name = "pluggy-0.13.0";
+    name = "pluggy-0.13.1";
     doCheck = false;
     propagatedBuildInputs = [
       self."importlib-metadata"
     ];
     src = fetchurl {
-      url = "https://files.pythonhosted.org/packages/d7/9d/ae82a5facf2dd89f557a33ad18eb68e5ac7b7a75cf52bf6a208f29077ecf/pluggy-0.13.0.tar.gz";
-      sha256 = "0d4gsvb4kjqhiqqi4bbsdp7s1xlyl5phibcw1q1mrpd65xia2pzs";
+      url = "https://files.pythonhosted.org/packages/f8/04/7a8542bed4b16a65c2714bf76cf5a0b026157da7f75e87cc88774aa10b14/pluggy-0.13.1.tar.gz";
+      sha256 = "1c35qyhvy27q9ih9n899f3h4sdnpgq027dbiilly2qb5cvgarchm";
     };
     meta = {
       license = [ pkgs.lib.licenses.mit ];
@@ -617,11 +617,11 b' self: super: {'
     };
   };
   "pyparsing" = super.buildPythonPackage {
-    name = "pyparsing-2.4.2";
+    name = "pyparsing-2.4.5";
     doCheck = false;
     src = fetchurl {
-      url = "https://files.pythonhosted.org/packages/7e/24/eaa8d7003aee23eda270099eeec754d7bf4399f75c6a011ef948304f66a2/pyparsing-2.4.2.tar.gz";
-      sha256 = "106xmhd2xn5bv6blsbqaa6wciwcq2c9i1pq1riw6s83y76wsg63g";
+      url = "https://files.pythonhosted.org/packages/00/32/8076fa13e832bb4dcff379f18f228e5a53412be0631808b9ca2610c0f566/pyparsing-2.4.5.tar.gz";
+      sha256 = "0fk8gsybiw1gm146mkjdjvaajwh20xwvpv4j7syh2zrnpq0j19jc";
     };
     meta = {
       license = [ pkgs.lib.licenses.mit ];
@@ -876,11 +876,11 b' self: super: {'
     };
   };
   "setuptools" = super.buildPythonPackage {
-    name = "setuptools-41.6.0";
+    name = "setuptools-42.0.2";
     doCheck = false;
     src = fetchurl {
-      url = "https://files.pythonhosted.org/packages/11/0a/7f13ef5cd932a107cd4c0f3ebc9d831d9b78e1a0e8c98a098ca17b1d7d97/setuptools-41.6.0.zip";
-      sha256 = "08nplghlnlb4qkhb9hp1lqqqlnh1qingdj8fi6w6rlfwj6rn3yka";
+      url = "https://files.pythonhosted.org/packages/f7/b6/5b98441b6749ea1db1e41e5e6e7a93cbdd7ffd45e11fe1b22d45884bc777/setuptools-42.0.2.zip";
+      sha256 = "0h5rsh8cpq9mh6kzr5xgcmyqyl8ym5r6i9m6g770k1vw1l4p5cy5";
     };
     meta = {
       license = [ pkgs.lib.licenses.mit ];

requirements_pinned.txt

@@ -1,15 +1,16 b''
 # contains not directly required libraries we want to pin the version.
 
 atomicwrites==1.3.0
-attrs==19.1.0
-contextlib2==0.6.0
-cffi==1.13.2
+attrs==19.3.0
+contextlib2==0.6.0.post1
+cffi==1.12.3
 hupper==1.9.1
+importlib-metadata==0.23
 pathlib2==2.3.5
 pygments==2.4.2
-pyparsing==2.4.2
+pyparsing==2.4.5
 psutil==5.6.5
-pluggy==0.13.0
+pluggy==0.13.1
 scandir==1.10.0
 setproctitle==1.1.10
 venusian==1.2.0