Python linode-api: 4.1.1b2 -> 4.1.2b0

This change is needed as the web API which this Python client depends on
has changed and broken basic functionality.

pkgs/development/python-modules/linode-api/default.nix

···
 
 buildPythonPackage rec {
   pname = "linode-api";
-  version = "4.1.1b2"; # NOTE: this is a beta, and the API may change in future versions.
+  version = "4.1.2b0"; # NOTE: this is a beta, and the API may change in future versions.
   name = "${pname}-${version}";
 
   disabled = (pythonOlder "2.7");
···
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1lfqsll3wv1wzn98ymmcbw0yawj8ab3mxniws6kaxf99jd4a0xp4";
+    sha256 = "19yzyb4sbxib8yxmrqm6d8i0fm8cims56q7kiq2ana26nbcm0gr4";
   };
 
   meta = {