Update app.py

app.py

@@ -116,7 +116,7 @@ common_layout = dict(
     margin=dict(l=60, r=40, t=100, b=40),
     xaxis=dict(showgrid=show_grid, zeroline=True, gridcolor='rgba(211,211,211,0.5)', zerolinecolor='rgba(128,128,128,0.5)', autorange=True),
     yaxis=dict(showgrid=show_grid, zeroline=True, gridcolor='rgba(211,211,211,0.5)', zerolinecolor='rgba(128,128,128,0.5)', autorange=True),
-    font=dict(family=font_family, size=18, color="#374151", weight="100"),
+    font=dict(family=font_family, size=18, color="#374151", weight="normal"),
     showlegend=show_legend,
     legend=dict(orientation="v", yanchor="top", y=1, xanchor="left", x=1.02)
 )