Update app.py

app.py

@@ -92,6 +92,10 @@ import streamlit as st
 import pandas as pd
 import plotly.express as px
 from datetime import datetime
+import streamlit as st
+import pandas as pd
+import plotly.express as px
+from datetime import datetime, timedelta
 
 # Load data
 @st.cache_data
@@ -134,10 +138,16 @@ filtered_df = df[(df['date'] >= pd.Timestamp(date_range[0])) & (df['date'] <= pd
 
 # Main content
 st.header("Research Papers Timeline")
-fig = px.timeline(filtered_df, x_start="date", y="title", color="authors", hover_name="title")
+
+# Add a day to the date to create an end date for the timeline
+filtered_df['end_date'] = filtered_df['date'] + timedelta(days=1)
+
+fig = px.timeline(filtered_df, x_start="date", x_end="end_date", y="title", color="authors", hover_name="title")
 fig.update_yaxes(autorange="reversed")
 st.plotly_chart(fig)
 
+# Rest of the code remains the same...
+
 st.header("Paper Details")
 selected_paper = st.selectbox("Select a paper", filtered_df['title'])
 paper_details = filtered_df[filtered_df['title'] == selected_paper].iloc[0]
@@ -207,5 +217,4 @@ st.plotly_chart(fig)
 # Footer
 st.markdown("---")
 st.write("Data last updated: March 2024")
-