Modifying style things

Signed-off-by: Ruoqian Guo <[email protected]>

Author: ruoqianguo

core/conversion/evaluators/aten.cpp

@@ -182,14 +182,16 @@ auto aten_registrations TRTORCH_UNUSED =
                           auto tensor = tensor_var.ITensor();
                           auto dims = util::toVec(tensor->getDimensions());
                           auto nbDims = tensor->getDimensions().nbDims;
-                          if (dim < 0)
+                          if (dim < 0) {
                             dim += nbDims;
+                          }
                           return dims[dim];
                         } else {
                           auto tensor = tensor_var.unwrapToTensor();
                           auto nbDims = tensor.sizes().size();
-                          if (dim < 0)
+                          if (dim < 0) {
                             dim += nbDims;
+                          }
                           return tensor.sizes()[dim];
                         }
                       }