diff --git a/TTS/engine_wrapper.py b/TTS/engine_wrapper.py
index 77f6eab..fd2d36b 100644
--- a/TTS/engine_wrapper.py
+++ b/TTS/engine_wrapper.py
@@ -72,7 +72,7 @@ class TTSEngine:
         print_substep("Saved Text to MP3 files successfully.", style="bold green")
         return self.length, idx
 
-    def split_post(self, text: str, idx: int) -> str:
+    def split_post(self, text: str, idx: int):
         split_files = []
         split_text = [
             x.group().strip()
diff --git a/video_creation/background.py b/video_creation/background.py
index 7bf6ae2..2654499 100644
--- a/video_creation/background.py
+++ b/video_creation/background.py
@@ -2,6 +2,7 @@ import random
 from os import listdir, environ
 from pathlib import Path
 from random import randrange
+from typing import Tuple
 
 from moviepy.editor import VideoFileClip
 from moviepy.video.io.ffmpeg_tools import ffmpeg_extract_subclip
@@ -10,7 +11,7 @@ from pytube import YouTube
 from utils.console import print_step, print_substep
 
 
-def get_start_and_end_times(video_length: int, length_of_clip: int) -> tuple[int, int]:
+def get_start_and_end_times(video_length: int, length_of_clip: int) -> Tuple[int, int]:
     """Generates a random interval of time to be used as the background of the video.
 
     Args: