Requires for torch.tensor before casting (#31755)

Author: echarlaix

src/transformers/utils/generic.py

@@ -762,7 +762,7 @@ def torch_int(x):
 
     import torch
 
-    return x.to(torch.int64) if torch.jit.is_tracing() else int(x)
+    return x.to(torch.int64) if torch.jit.is_tracing() and isinstance(x, torch.Tensor) else int(x)
 
 
 def torch_float(x):
@@ -774,7 +774,7 @@ def torch_float(x):
 
     import torch
 
-    return x.to(torch.float32) if torch.jit.is_tracing() else int(x)
+    return x.to(torch.float32) if torch.jit.is_tracing() and isinstance(x, torch.Tensor) else int(x)
 
 
 def filter_out_non_signature_kwargs(extra: Optional[list] = None):