AttributeError: 'cv2.TickMeter' object has no attribute 'count'

[ccoa]

Using TensorFlow 1.4, OpenCV 4.1 and Python 3.6.8 I executed:

python3 estimate_head_pose.py

And I got the following error:

OpenCV version: 4.1.0
Linux is fine! Python multiprocessing works.
WARNING: Logging before flag parsing goes to stderr.
W0724 14:13:06.219129 139818702903104 deprecation_wrapper.py:119] From /home/omar/Documents/head-pose-estimation/mark_detector.py:78: The name tf.GraphDef is deprecated. Please use tf.compat.v1.GraphDef instead.

W0724 14:13:06.219383 139818702903104 deprecation_wrapper.py:119] From /home/omar/Documents/head-pose-estimation/mark_detector.py:79: The name tf.gfile.GFile is deprecated. Please use tf.io.gfile.GFile instead.

W0724 14:13:06.366628 139818702903104 deprecation_wrapper.py:119] From /home/omar/Documents/head-pose-estimation/mark_detector.py:84: The name tf.Session is deprecated. Please use tf.compat.v1.Session instead.

2019-07-24 14:13:06.367032: I tensorflow/core/platform/cpu_feature_guard.cc:142] Your CPU supports instructions that this TensorFlow binary was not compiled to use: AVX2 FMA
2019-07-24 14:13:06.387688: I tensorflow/core/platform/profile_utils/cpu_utils.cc:94] CPU Frequency: 2400000000 Hz
2019-07-24 14:13:06.387975: I tensorflow/compiler/xla/service/service.cc:168] XLA service 0x56f77e0 executing computations on platform Host. Devices:
2019-07-24 14:13:06.387997: I tensorflow/compiler/xla/service/service.cc:175] StreamExecutor device (0): ,
2019-07-24 14:13:08.168135: W tensorflow/compiler/jit/mark_for_compilation_pass.cc:1412] (One-time warning): Not using XLA:CPU for cluster because envvar TF_XLA_FLAGS=--tf_xla_cpu_global_jit was not set. If you want XLA:CPU, either set that envvar, or use experimental_jit_scope to enable XLA:CPU. To confirm that XLA is active, pass --vmodule=xla_compilation_cache=1 (as a proper command-line flag, not via TF_XLA_FLAGS) or set the envvar XLA_FLAGS=--xla_hlo_profile.
Traceback (most recent call last):
File "estimate_head_pose.py", line 143, in
main()
File "estimate_head_pose.py", line 102, in main
print(tm.getTimeSec()/tm.count())
AttributeError: 'cv2.TickMeter' object has no attribute 'count'