doc: Fix example code using deprecated xrange

xrange was abandoned and doesn't exist in Python 3. range() works just the same
maxgoedjen · Nov 25, 2020 · f28895c · f28895c
1 parent f4f462c
commit f28895c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/doc/py_tutorials/py_calib3d/py_calibration/py_calibration.markdown b/doc/py_tutorials/py_calib3d/py_calibration/py_calibration.markdown
@@ -209,7 +209,7 @@ find the average error, we calculate the arithmetical mean of the errors calcula
 calibration images.
 @code{.py}
 mean_error = 0
-for i in xrange(len(objpoints)):
+for i in range(len(objpoints)):
     imgpoints2, _ = cv.projectPoints(objpoints[i], rvecs[i], tvecs[i], mtx, dist)
     error = cv.norm(imgpoints[i], imgpoints2, cv.NORM_L2)/len(imgpoints2)
     mean_error += error