diff --git a/Manual/7_Midterm_Report.ipynb b/Manual/7_Midterm_Report.ipynb
index 5b13478..9fe186c 100644
--- a/Manual/7_Midterm_Report.ipynb
+++ b/Manual/7_Midterm_Report.ipynb
@@ -1,13 +1,5 @@
 {
  "cells": [
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "![book header](pictures/header.png)\n",
-    "[Table of Contents](0_Table_of_Contents.ipynb)"
-   ]
-  },
   {
    "cell_type": "markdown",
    "metadata": {},
diff --git a/student_code/.editorconfig b/student_code/.editorconfig
new file mode 100644
index 0000000..e69de29
diff --git a/student_code/kitt_main.py b/student_code/kitt_main.py
index 9e3d368..282f78c 100644
--- a/student_code/kitt_main.py
+++ b/student_code/kitt_main.py
@@ -1,4 +1,5 @@
 from serial import Serial
+#from Manual.KITT_Simulator.serial_simulator import Serial
 
 
 class KITT:
@@ -37,7 +38,7 @@ class KITT:
     def send_command(self, command):
         # Send the command string over the serial connection
         self.serial.write(command)
-        print(command)
+        #print(command)
 
     def set_speed(self, speed):
         # Send the motor speed command using send_command
diff --git a/student_code/ui.py b/student_code/ui.py
index a8eb96f..7f3814f 100644
--- a/student_code/ui.py
+++ b/student_code/ui.py
@@ -79,7 +79,10 @@ if __name__ == "__main__":
     def close_btn_func():
         car.stop_beacon()
         car.stop()
-        car.close()
+        try:
+            car.close()
+        except OSError:
+            pass
         root.destroy()
 
     close_btn = tk.Button(root, text="Close", command=close_btn_func)