Updated app.py to use new finetuned gpt2 medium model

app.py

@@ -42,9 +42,11 @@ gpt2_lm = keras_nlp.models.GPT2CausalLM.from_preset(
 
 #drive.mount('/content/drive', force_remount=True)
 # GPT2 Base 1 epochs
-checkpoint_path = "./aloqas_model_checkpoints/cp.ckpt"
+#checkpoint_path = "./aloqas_model_checkpoints/cp.ckpt"
 # GPT2 Base 3 epochs
-checkpoint_path = "./aloqas_model_checkpoints_gpt2base_3_epochs/cp.ckpt"
+#checkpoint_path = "./aloqas_model_checkpoints_gpt2base_3_epochs/cp.ckpt"
+# GPT2 Base 3 epochs
+checkpoint_path = "./aloqas_model_checkpoints_gpt2medium_3_epochs/cp.ckpt"
 
 gpt2_lm.load_weights(checkpoint_path)