asciinema: 1.4.0 -> 2.0.0

Semi-automatic update; builds on NixOS

pkgs/tools/misc/asciinema/default.nix

@@ -4,7 +4,7 @@ let
   pythonPackages = python3Packages;
 in pythonPackages.buildPythonApplication rec {
   name = "asciinema-${version}";
-  version = "1.4.0";
+  version = "2.0.0";
 
   buildInputs = with pythonPackages; [ nose ];
   propagatedBuildInputs = with pythonPackages; [ requests ];
@@ -13,7 +13,7 @@ in pythonPackages.buildPythonApplication rec {
     owner = "asciinema";
     repo = "asciinema";
     rev = "v${version}";
-    sha256 = "1m2gjqxb5gqyz19lvp7jmwp7cxjc6nb0b2rrlsg3z2bl6vmi1xn2";
+    sha256 = "1f92hv9w58jf1f7igspjxvrxqn3n21kgya2zb56spqyydr4jzwdk";
   };
 
   patchPhase = ''