Update app.py

app.py

@@ -30,6 +30,9 @@ indices = pd.Series(movies.index, index=movies['title']).drop_duplicates()
 
 # Function that takes in movie title as input and outputs most similar movies
 def get_recommendations(title, cosine_sim=cosine_sim):
+    if not title:
+        return "No movie selected. Please select one from the dropdown."
+    
     # Get the index of the movie that matches the title
     idx = indices[title]