fix the runtime error

app.py

@@ -4,47 +4,24 @@ from typing import Union, List
 from predict_dept_model import DepartmentPredictor
 from contextlib import asynccontextmanager
 from response_schema import ClassificationOutput, TextInput 
-from huggingface_hub import scan_cache_dir, HfApi
+from huggingface_hub import  HfApi
+
+# Define the model repository ID
+model_repo = "mr-kush/sambodhan-department-classification-model"
 
 # hf api
 api = HfApi()
 
-def clear_hf_cache(model_repo: str) -> None:
-    """
-    Clears the Hugging Face model cache for the specified repository.
-
-    Args:
-        model_repo (str): The model repository identifier (e.g., 'mr-kush/sambodhan-department-classification-model').
-    """
-    # Scan the cache directory
-    cache_info = scan_cache_dir()
-
-    # Find the repository in the cache
-    repo_info = next((repo for repo in cache_info.cached_repos if repo.repo_id == model_repo), None)
-
-    if repo_info:
-        # Delete all revisions of the repository
-        delete_strategy = cache_info.delete_revisions(*repo_info.revisions)
-        print(f"Will free {delete_strategy.expected_freed_size_str}")
-        delete_strategy.execute()
-        print("Cache deletion done.")
-    else:
-        print(f"Repository '{model_repo}' not found in cache.")
-
-
 
 
 # Setting up startup and shutdown logic
 @asynccontextmanager
 async def lifespan(app: FastAPI):
-
-    # Clear the Hugging Face model cache
-    clear_hf_cache("mr-kush/sambodhan-department-classification-model")
-
     # Load the model 
     global predictor
     predictor = DepartmentPredictor()
     yield
+    
 
 app = FastAPI(
     title="Sambodhan Department Classifier API",
@@ -71,10 +48,6 @@ def predict_department(input_data: TextInput):
 
 @app.get("/")
 def root():
-    # Define the model repository ID
-    model_repo = "mr-kush/sambodhan-department-classification-model"
-
-    
     # Fetch the latest commit hash (revision) from the model repository
     latest_tag = api.list_repo_refs(repo_id=model_repo, repo_type="model").tags[0].name