Update app.py

app.py

@@ -33,6 +33,8 @@ model_path = hf_hub_download(repo_id="kobrasoft/kobraspeech-rnn-cs", filename="k
 with tf.keras.utils.custom_object_scope({'CTCLoss': CTCLoss}):
     model = tf.keras.models.load_model(model_path)
 
+import pickle as pkl
+
 num_to_char_path = hf_hub_download(repo_id="kobrasoft/kobraspeech-rnn-cs", filename="num_to_char.json")
 with open(num_to_char_path, "rb") as f:
     num_to_char = tf.keras.layers.StringLookup(vocabulary=pkl.load(f), oov_token="", invert=True)