OpenCV not working properly with python on Linux with anaconda. Getting error that cv2.imshow() is not implemented

Question

This is the exact error that I am getting. My OS is Ubuntu 16.10.

OpenCV Error: Unspecified error (The function is not implemented. Rebuild the library with

Answer 1

Notice that it is complaining for libgtk2.0-dev and pkg-config. Here is the solution. Uninstall your existing openCV installation.

conda remove opencv3

Install these packages before installing opencv- conda install gtk2 pkg-config

Now install opencv from menpo conda install -c https://conda.anaconda.org/menpo opencv3