Python: many package updates

Did not test all packages. Likely we'll have some breakage.

pkgs/development/python-modules/tables/default.nix

@@ -2,13 +2,13 @@
 , cython, bzip2, lzo, numpy, numexpr, hdf5, six, c-blosc }:
 
 buildPythonPackage rec {
-  version = "3.3.0";
+  version = "3.4.2";
   pname = "tables";
   name = "${pname}-${version}";
 
   src = fetchurl {
     url = "mirror://pypi/t/tables/${name}.tar.gz";
-    sha256 = "0b4211s0zzdmh74k49ss0m9lc2ql2iazq2aa95ams6h45vqcr0w3";
+    sha256 = "fdbbea4edb6bad0ac0e53fc7bc6970e78e12eef4944aa4146bcdcb573201676c";
   };
 
   buildInputs = [ hdf5 cython bzip2 lzo c-blosc ];