ValueError: need more than 2 values to unpack

[ghost]

Dear reader,

have resolved indices problem in #11 but now recieve the below message after selecting the drop and needle.

Is this a problem with my installation or a bug?

Processing frame 1 of 1... Traceback (most recent call last): File "opendrop.py", line 148, in main() File "opendrop.py", line 85, in main extract_drop_profile(raw_experiment, user_inputs) File "/home/mat/opendrop/opendrop-1.1/modules/extract_profile.py", line 16, in extract_drop_profile profile, raw_experiment.ret = detect_edges(profile_crop, raw_experiment, user_inputs.drop_region, -1, 1) File "/home/mat/opendrop/opendrop-1.1/modules/extract_profile.py", line 56, in detectedges ,contours, hierarchy = cv2.findContours(edges,cv2.RETR_TREE,cv2.CHAIN_APPROX_NONE) ValueError: need more than 2 values to unpack

[ghost]

found this to be a problem with the version of opencv running,

https://stackoverflow.com/questions/20851365/opencv-contours-need-more-than-2-values-to-unpack