Fixed KeyError for Mistral (#26682)

* Fixed KeyError for Mistral

* Removed try block

* Removed whitespace

src/transformers/models/mistral/convert_mistral_weights_to_hf.py

@@ -89,7 +89,7 @@ def write_model(model_path, input_base_path, model_size, tokenizer_path=None, sa
     num_shards = NUM_SHARDS[model_size]
 
     # For some reason this is a string in the params.json
-    sliding_window = int(params["ragged_attention"])
+    sliding_window = int(params["sliding_window"])
     n_layers = params["n_layers"]
     n_heads = params["n_heads"]
     n_heads_per_shard = n_heads // num_shards