message: Closing brackets missing
  In line 94,  closing brackets are added which were missing .
diff: @@ -91,7 +91,7 @@ convexity defects, which are the local maximum deviations of hull from contours.
  There is a little bit things to discuss about it its syntax:
  @code{.py}
  -hull = cv.convexHull(points[, hull[, clockwise[, returnPoints]]
  +hull = cv.convexHull(points[, hull[, clockwise[, returnPoints]]])
  @endcode
  Arguments details:
  