Update app.py

app.py

@@ -124,7 +124,7 @@ def _count_papers_per_topic(run_config: str) -> dict:
         return {s["topic_id"]: 0 for s in summaries}
 
     sent_to_paper = {}
-    for idx, text in enumerate(papers_df[text_col].fillna("").tolist()):
+    for idx, text in enumerate(list(papers_df[text_col].fillna(""))):
         for sent in str(text).split("."):
             key = sent.strip()[:80]
             if key:
@@ -224,7 +224,7 @@ def handle_file_upload(file_path) -> str:
     try:
         df  = _safe_read_csv(dest)
         msg = "CSV saved ({} rows, {} columns: {}). ".format(
-            len(df), len(df.columns), ", ".join(df.columns[:6].tolist())
+            len(df), len(df.columns), ", ".join(list(df.columns[:6]))
         )
     except Exception:
         msg = "CSV saved to {}. ".format(dest)
@@ -343,7 +343,7 @@ def handle_submit_review(review_data, history: list, thread_id: str, run_config:
     def to_bool(v):
         return v is True or str(v).strip().lower() in ("true","1","yes","x","on","✓")
 
-    approved_df = df[pd.Series(list(map(to_bool, df[approve_col].tolist())), index=df.index)]
+    approved_df = df[pd.Series(list(map(to_bool, list(df[approve_col]))), index=df.index)]
 
     if len(approved_df) == 0:
         guide = (