Update app.py

app.py

@@ -92,7 +92,7 @@ if uploaded_file is not None:
     try:
         df = pd.read_csv(uploaded_file)
         if review_column not in df.columns:
-            st.error("CSV must contain a '{review_column}' column.")
+            st.error(f"CSV must contain a '{review_column}' column.")
         else:
             candidate_docs = df[review_column].dropna().astype(str).tolist()
     except Exception as e:
@@ -107,7 +107,7 @@ if st.button("Generate Report"):
     elif not review_column.strip():
         st.error("Please enter your column name")
     elif not candidate_docs:
-        st.error("CSV must contain a '{review_column}' column.")
+        st.error(f"CSV must contain a '{review_column}' column.")
     elif not query_input.strip():
         st.error("Please enter a query text!")
     else: