Remove the redundant layer of brackets from the output of show_tensor

Author: Dobiasd

include/fdeep/tensor.hpp

@@ -896,11 +896,10 @@ inline std::string show_tensor(const tensor& t)
     const auto strs = fplus::transform(
         fplus::fwd::show_float_fill_left(' ', max_length, 4), xs);
     return fplus::show_cont(
-        fplus::split_every(t.shape().size_dim_5_,
-            fplus::split_every(t.shape().size_dim_4_,
-                fplus::split_every(t.shape().height_,
-                    fplus::split_every(t.shape().width_,
-                        fplus::split_every(t.shape().depth_, strs))))));
+        fplus::split_every(t.shape().size_dim_4_,
+            fplus::split_every(t.shape().height_,
+                fplus::split_every(t.shape().width_,
+                    fplus::split_every(t.shape().depth_, strs)))));
 }
 
 inline std::string show_tensors(const tensors& ts)