Update app.py

app.py

@@ -106,7 +106,7 @@ def user_report():
       'Logistics Time (hr)':Logistics_Time,
       'total_operating_hours':total_operating_hour,
       'operating_temperature':operating_temperature,
-      'previous_number_of_repairs':previous_number_of_repairs, ,
+      'previous_number_of_repairs':previous_number_of_repairs,
       'Power_Input_Voltage':Power_Input_Voltage
            
   }