while running the script I got the following error

[Gargisingh11]

inside
Traceback (most recent call last):
File "trackCar.py", line 49, in
p = pyr_LK_Tracker(image, template, roi, num_layers, threshold, True)
File "/content/lucaskanade.py", line 81, in pyr_LK_Tracker
p = affineLKtracker(image, template_copy, roi_pyr, p, threshold, check_brightness)
File "/content/lucaskanade.py", line 26, in affineLKtracker
warp_img = equalize_light(warp_img.astype(int))
File "/content/commonutils.py", line 66, in equalize_light
image = cv2.cvtColor(image, cv2.COLOR_GRAY2BGR)
cv2.error: OpenCV(4.1.2) /io/opencv/modules/imgproc/src/color.simd_helpers.hpp:94: error: (-2:Unspecified error) in function 'cv::impl::{anonymous}::CvtHelper<VScn, VDcn, VDepth, sizePolicy>::CvtHelper(cv::InputArray, cv::OutputArray, int) [with VScn = cv::impl::{anonymous}::Set<1>; VDcn = cv::impl::{anonymous}::Set<3, 4>; VDepth = cv::impl::{anonymous}::Set<0, 2, 5>; cv::impl::{anonymous}::SizePolicy sizePolicy = (cv::impl::::SizePolicy)2u; cv::InputArray = const cv::_InputArray&; cv::OutputArray = const cv::_OutputArray&]'

Unsupported depth of input image:
'VDepth::contains(depth)'
where
'depth' is 4 (CV_32S)

[anubhavparas]

try changing the image input to np.float32.