Update app.py

app.py

@@ -118,6 +118,9 @@ def get_cf_recommendations(movie_title, movie_similarity_df=movie_similarity_df,
 
 # Function for Gradio interface
 def recommend_movies_cf(movie_title):
+    if not movie:
+        return "No movie selected. Please select one from the dropdown."
+    
     if movie_title not in movies['title'].values:
         return f"Movie '{movie_title}' not found in the dataset."
     
@@ -198,6 +201,9 @@ def get_cfnn_recommendations(movie_title, movie_similarity_df=movie_similarity_c
 
 # Function for Gradio interface
 def recommend_movies_cfnn(movie_title):
+    if not movie:
+        return "No movie selected. Please select one from the dropdown."
+        
     if movie_title not in movies['title'].values:
         return f"Movie '{movie_title}' not found in the dataset."