File "E:\new stereo\camera_calibration.py", line 75, in read_images rt, self.M1, self.d1, self.r1, self.t1 = cv2.calibrateCamera( cv2.error: OpenCV(4.5.5) D:\a\opencv-python\opencv-python\opencv\modules\calib3d\src\calibration.cpp:3339: error: (-2:Unspecified error) in function 'void __cdecl cv::collectCalibrationData(const class cv::_InputArray &,const class cv::_InputArray &,const class cv::_InputArray &,int,class cv::Mat &,class cv::Mat &,class cv::Mat *,class cv::Mat &)' > (expected: 'nimages == (int)imagePoints1.total()'), where > 'nimages' is 7 > must be equal to > '(int)imagePoints1.total()' is 0

[SSSSShore]

when I run the code, I got this error. and I have 7 pairs of the images.

File "E:\new stereo\camera_calibration.py", line 75, in read_images
rt, self.M1, self.d1, self.r1, self.t1 = cv2.calibrateCamera(
cv2.error: OpenCV(4.5.5) D:\a\opencv-python\opencv-python\opencv\modules\calib3d\src\calibration.cpp:3339: error: (-2:Unspecified error) in function 'void __cdecl cv::collectCalibrationData(const class cv::_InputArray &,const class cv::_InputArray &,const class cv::_InputArray &,int,class cv::Mat &,class cv::Mat &,class cv::Mat *,class cv::Mat &)'
(expected: 'nimages == (int)imagePoints1.total()'), where
'nimages' is 7
must be equal to
'(int)imagePoints1.total()' is 0