Update app.py

app.py

@@ -210,11 +210,14 @@ if fetch_data:
                 st.success("All records are complete!")
 
             st.subheader("Suggested Metadata Enhancements")
-            incomplete_with_desc = incomplete_records[incomplete_records['description'].notnull()]
-            reference_df = metadata_df[metadata_df['subject'].notnull() & metadata_df['description'].notnull()]
-            tfidf = TfidfVectorizer(stop_words='english')
+        incomplete_with_desc = incomplete_records[incomplete_records['description'].notnull()]
+        reference_df = metadata_df[metadata_df['subject'].notnull() & metadata_df['description'].notnull()]
+        tfidf = TfidfVectorizer(stop_words='english')
+        try:
             suggestions = []
-                    for idx, row in incomplete_with_desc.iterrows():
+                tfidf = TfidfVectorizer(stop_words='english')
+            tfidf_matrix = tfidf.fit_transform(reference_df['description'])
+            for idx, row in incomplete_with_desc.iterrows():
                         if pd.isna(row['subject']) and pd.notna(row['description']):
                             desc_vec = tfidf.transform([str(row['description'])])
                             sims = cosine_similarity(desc_vec, tfidf_matrix).flatten()