skips opening a subprocess if kivy (and thus the launcher gui) hasn't…

… been loaded so stdin can function as expected on --nogui and similar

worlds/LauncherComponents.py

@@ -62,11 +62,15 @@ def __repr__(self):
 
 
 def launch_subprocess(func: Callable, name: str = None, args: Tuple[str, ...] = ()) -> None:
-    global processes
-    import multiprocessing
-    process = multiprocessing.Process(target=func, name=name, args=args)
-    process.start()
-    processes.add(process)
+    import sys
+    if "kivy" not in sys.modules:
+        func(*args)
+    else:
+        global processes
+        import multiprocessing
+        process = multiprocessing.Process(target=func, name=name, args=args)
+        process.start()
+        processes.add(process)
 
 
 class SuffixIdentifier: