message: Update text_detection.py
  there is a recent change, how `std::vector<int>` is wrapped in python,
  it used to be a 2d array (requirig that weird `[0]` indexing), now it is only 1d
diff: @@ -187,7 +187,7 @@ def main():
  indices = cv.dnn.NMSBoxesRotated(boxes, confidences, confThreshold, nmsThreshold)
  for i in indices:
  # get 4 corners of the rotated rect
  - vertices = cv.boxPoints(boxes[i[0]])
  + vertices = cv.boxPoints(boxes[i])
  # scale the bounding box coordinates based on the respective ratios
  for j in range(4):
  vertices[j][0] *= rW
  