Update app.py

app.py

@@ -18,6 +18,17 @@ model_version = "v1687507574"
 model_repo_id = "chansung/kerasnlp-gpt2-alpaca-pipeline"
 model_repo_url = f"https://huggingface.co/{model_repo_id}"
 
+def _clone_and_checkout(repo_url: str, local_path: str, version: str) -> Repository:
+    repository = Repository(
+        local_dir=local_path, clone_from=repo_url
+    )
+    repository.git_checkout(revision=version)
+    return repository
+
+_ = _clone_and_checkout(model_repo_url, local_path, model_version)
+model = tf.saved_model.load(local_path, tags=[tag_constants.SERVING])
+gpt_lm_predict_fn = model.signatures["serving_default"]
+
 STYLE = """
 .custom-btn {
     border: none !important;
@@ -231,17 +242,6 @@ examples = [
 ]
 ex_btns = []
 
-def _clone_and_checkout(repo_url: str, local_path: str, version: str) -> Repository:
-    repository = Repository(
-        local_dir=local_path, clone_from=repo_url
-    )
-    repository.git_checkout(revision=version)
-    return repository
-
-_ = _clone_and_checkout(model_repo_url, local_path, model_version)
-model = tf.saved_model.load(local_path, tags=[tag_constants.SERVING])
-gpt_lm_predict_fn = model.signatures["serving_default"]
-
 def build_prompts(ppmanager, user_message, win_size=3):
     dummy_ppm = copy.deepcopy(ppmanager)