Update app.py

app.py

@@ -63,7 +63,7 @@ def load_df(data_file: os.PathLike):
     # df['year'] = pd.to_datetime(df['year'])
     # df = df.sort_values('year', ascending=True)
     # df['year'] = df['year'].dt.strftime('%Y')
-    df['year'] = df['year'].astype(int)
+    #df['year'] = df['year'].astype(int)
 
     return df
 
@@ -93,8 +93,8 @@ with st.sidebar:
         value=(str(min_year), str(max_year)),
     )
 
-    # start_year = 1997
-    # end_year = 2023
+    start_year = int(start_year)
+    end_year = int(end_year)
     df_mask = (DF["year"] >= start_year) & (DF["year"] <= end_year)
 
     if author_names: