Update app.py

app.py

@@ -95,12 +95,13 @@ fig.add_annotation({
 fig.add_hline(y=-0.5, line_width=1, line_color="grey")
 height = -0.5
 for name, _ in name2repo[::-1]:
-    fig.add_annotation(x='2023-03-31', y=height + name2num_milestones[name]/2,
-            text=name,
-            showarrow=False,
-            align="center",
-            textangle=-90)
-    height += name2num_milestones[name]
-    fig.add_hline(y=height, line_width=1, line_color="grey")
+    if name2num_milestones[name] > 0:
+        fig.add_annotation(x='2023-03-31', y=height + name2num_milestones[name]/2,
+                text=name,
+                showarrow=False,
+                align="center",
+                textangle=-90)
+        height += name2num_milestones[name]
+        fig.add_hline(y=height, line_width=1, line_color="grey")
 
 st.plotly_chart(fig, use_container_width=True)