[CI] Some fixes for the build (#451)

python/src/triton.cc

@@ -150,7 +150,7 @@ void parse_args(py::list& args, py::list do_not_specialize, const std::string& f
     for(int i = 0; i < len; i++){
       cache_key += "_";
       py::int_ py_i = py::int_(i);
-      bool specialize = std::find(do_not_specialize.begin(), do_not_specialize.end(), py_i) == do_not_specialize.end();
+      bool specialize = !do_not_specialize.contains(py_i);
       py::object arg = args[i];
       auto arg_ptr = arg.ptr();
 

python/tutorials/03-matrix-multiplication.py

@@ -169,8 +169,6 @@ import triton.language as tl
     ],
     key=['M', 'N', 'K'],
 )
-# %
-# We can now define our kernel as normal, using all the techniques presented above
 @triton.jit
 def matmul_kernel(
     # Pointers to matrices