Fix from_shape misuse

Author: spectre-ns

test/test_xview.cpp

@@ -22,7 +22,6 @@
 #endif
 
 #include "xtensor/xarray.hpp"
-#include "xtensor/xassign.hpp"
 #include "xtensor/xbuilder.hpp"
 #include "xtensor/xfixed.hpp"
 #include "xtensor/xmanipulation.hpp"
@@ -31,6 +30,7 @@
 #include "xtensor/xstrided_view.hpp"
 #include "xtensor/xtensor.hpp"
 #include "xtensor/xview.hpp"
+#include "xtensor/xassign.hpp"
 
 namespace xt
 {
@@ -1697,12 +1697,12 @@ namespace xt
 
     TEST(xview, reorder_function)
     {
-        xtensor<float, 1> a = {1, 2, 3, 4};
-        xtensor<float, 1> b = {5, 6, 7, 8};
-        xtensor<float, 1> c = xtensor<float, 1>::from_shape(a);
+        xtensor<float, 1> a = {1,2,3,4};
+        xtensor<float, 1> b = {5,6,7,8};
+        auto c = xtensor<float, 1>::from_shape(a.shape());
         auto f = a + b;
         auto v = xt::view(f, xt::all());
         auto is_linear_assign = xt::xassign_traits<decltype(c), decltype(v)>::linear_assign(c, v, true);
         EXPECT_TRUE(is_linear_assign);
     }
-}
+}