Update app.py

app.py

@@ -43,13 +43,14 @@ def calculate_power_factor_correction(load_kw, pf_initial, pf_target):
         
         plt.tight_layout()
         plt.savefig("power_factor_correction.png")
+        plt.close(fig)
         
         return (f"Required Capacitor Size: {capacitor_size:.2f} kVAR", 
                 f"Corrected Power Factor: {pf_corrected:.2f}", 
-                gr.Image.update(value="power_factor_correction.png"))
+                "power_factor_correction.png")
     
     except Exception as e:
-        return str(e), "", None
+        return str(e), "", ""
 
 # Create Gradio interface
 def power_factor_correction_ui(load_kw, pf_initial, pf_target):