added module check

main.py

@@ -1,6 +1,24 @@
 import sys
 # Justus Jan Nico Wolff
 sys.dont_write_bytecode = True
+import subprocess
+import pkg_resources
+import ast
+
+required = open("requirements.txt", 'r')
+required = ast.literal_eval(required.read())
+installed = {pkg.key for pkg in pkg_resources.working_set}
+missing = required - installed
+
+if missing:
+    while True:
+        ans = input(f"Einige benötigte Module sind nicht installiert ({missing}), installieren per pip? Y/N ")
+        if ans == "y":
+            python = sys.executable
+            subprocess.check_call([python, '-m', 'pip', 'install', *missing], stdout=subprocess.DEVNULL)
+            break
+        elif ans == "n":
+            exit()
 import mtTkinter as tk
 from tkinter import ttk as tkk
 from tkinter import messagebox
@@ -34,8 +52,6 @@ else:
 if len(sys.argv) == 2:
     if sys.argv[1] == "NOLANG":
         replacelh()
-import ast
-import subprocess
 import time
 import shutil
 import os

requirements.txt

@@ -1 +1 @@
-["easygui", "simpleaudio", "tkinter"]
+{"easygui", "simpleaudio"}