diff --git a/.github/workflows/ci_cd.yml b/.github/workflows/ci_cd.yml
index d21d703b..ade39771 100644
--- a/.github/workflows/ci_cd.yml
+++ b/.github/workflows/ci_cd.yml
@@ -9,7 +9,7 @@ jobs:
   Test:
     strategy:
       matrix:
-        python-version: [3.10.11]
+        python-version: [3.9, 3.10.11]
         os: [ ubuntu-22.04, windows-2022, macos-12 ]
     runs-on: ${{ matrix.os }}
     steps:
diff --git a/vision_agent/tools/video.py b/vision_agent/tools/video.py
index 5745c2fe..606166ed 100644
--- a/vision_agent/tools/video.py
+++ b/vision_agent/tools/video.py
@@ -2,7 +2,7 @@
 import math
 import os
 from concurrent.futures import ProcessPoolExecutor, as_completed
-from typing import cast
+from typing import List, Tuple, cast
 
 import cv2
 import numpy as np
@@ -16,7 +16,7 @@
 
 def extract_frames_from_video(
     video_uri: str, fps: int = 2, motion_detection_threshold: float = 0.06
-) -> list[tuple[np.ndarray, float]]:
+) -> List[Tuple[np.ndarray, float]]:
     """Extract frames from a video
 
     Parameters:
@@ -86,7 +86,7 @@ def _extract_frames_by_clip(
     end: float = -1,
     fps: int = 2,
     motion_detection_threshold: float = 0.06,
-) -> list[tuple[np.ndarray, float]]:
+) -> List[Tuple[np.ndarray, float]]:
     """Extract frames from a video clip with start and end time in seconds.
 
     Parameters: