Update launch.py

launch.py

@@ -26,21 +26,19 @@ prepare_environment = launch_utils.prepare_environment
 configure_for_tests = launch_utils.configure_for_tests
 start = launch_utils.start
 
+def run_command(command):
+    subprocess.run(command, shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
 
 def main():
     if not args.skip_prepare_environment:
-        prepare_environment()
-        with open(os.devnull, 'w') as devnull:
-            subprocess.run(['sed', '-i', '-e', 's/dict()))/dict())).cuda()/g', '/bushu/ui/repositories/stable-diffusion-stability-ai/ldm/util.py'], stdout=devnull, stderr=devnull)
-            subprocess.run(['sed', '-i', '-e', 's/stable/dict()))/dict())).cuda()/g', '/bushu/ui/repositories/diffusion-stability-stable/ldm/util.py'], stdout=devnull, stderr=devnull)
+        launch_utils.prepare_environment()
+        run_command(f"""sed -i -e ''"s/dict()))/dict())).cuda()/g"'' /bushu/ui/repositories/stable-diffusion-stability-ai/ldm/util.py""")
+        run_command(f"""sed -i -e ''"s/stable/dict()))/dict())).cuda()/g"'' /bushu/ui/repositories/diffusion-stability-stable/ldm/util.py""")
 
     if args.test_server:
-        configure_for_tests()
+        launch_utils.configure_for_tests()
 
-    start()
+    launch_utils.start()
 
-__name__ == "__main__"
-
-Start = True
-if Start:
+if __name__ == "__main__":
     main()