Update app.py

app.py

@@ -31,6 +31,7 @@ def generate_graphs(df):
 
     # 1. Unika användare per dag (14 dagar)
     daily_users = df.groupby(df['timestamp'].dt.date)['user_id'].nunique()
+daily_users.index = pd.to_datetime(daily_users.index)
     daily_users = daily_users.last("14D")
     plt.figure(figsize=(8,4))
     daily_users.plot(kind='bar', title="Unika användare per dag (14 dagar)")
@@ -170,4 +171,4 @@ with gr.Blocks() as app:
     btn.click(fn=run_report, outputs=output)
 
 if __name__ == "__main__":
-    app.launch()
+    app.launch()