Update app.py

app.py

@@ -69,9 +69,7 @@ def heatmap_fig(fig_data: pd.DataFrame, zmode: str) -> go.Figure:
         colorscale = "RdBu_r"
         zmin, zmax, zmid = -8.0, 8.0, 0.0
 
-    import numpy as np
     z = fig_data.to_numpy()
-    # customdata: NaN/None 顯示 N/A，其餘顯示四位小數
     customdata = np.where(np.isnan(z), "N/A", np.round(z, 4))
     fig = go.Figure(
         data=go.Heatmap(
@@ -88,7 +86,7 @@ def heatmap_fig(fig_data: pd.DataFrame, zmode: str) -> go.Figure:
     )
     fig.update_layout(
         template="plotly_white",
-        xaxis=dict(title=f"Position (genomic coordinate)", tickangle=-45),
+        xaxis=dict(title=f"Position_Reference nucleotide", tickangle=-45),
         yaxis=dict(title="Alternate nucleotide", range=[-0.5, 3.5], fixedrange=True),
         margin=dict(l=60, r=20, t=60, b=60),
         height=350