dependencies: bumped pygments to 2.3.0 release.

pkgs/python-packages.nix

@@ -502,11 +502,11 b' self: super: {'
     };
   };
   "pygments" = super.buildPythonPackage {
-    name = "pygments-2.2.0";
+    name = "pygments-2.3.0";
     doCheck = false;
     src = fetchurl {
-      url = "https://files.pythonhosted.org/packages/71/2a/2e4e77803a8bd6408a2903340ac498cb0a2181811af7c9ec92cb70b0308a/Pygments-2.2.0.tar.gz";
-      sha256 = "1k78qdvir1yb1c634nkv6rbga8wv4289xarghmsbbvzhvr311bnv";
+      url = "https://files.pythonhosted.org/packages/63/a2/91c31c4831853dedca2a08a0f94d788fc26a48f7281c99a303769ad2721b/Pygments-2.3.0.tar.gz";
+      sha256 = "1z34ms51dh4jq4h3cizp7vd1dmsxcbvffkjsd2xxfav22nn6lrl2";
     };
     meta = {
       license = [ pkgs.lib.licenses.bsdOriginal ];

requirements.txt

@@ -20,7 +20,7 b' psutil==5.4.7'
 pyramid==1.9.2
 pyramid-mako==1.0.2
 
-pygments==2.2.0
+pygments==2.3.0
 pathlib2==2.3.2
 repoze.lru==0.7
 simplejson==3.11.1