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 | 1 | initial version |
pip install opencv-python==3.1.0.4 ?
| | 2 | No.2 Revision |
pip install opencv-python==3.1.0.4 opencv-contrib-python==3.3.1.11 ?
| | 3 | No.3 Revision |
pip install opencv-contrib-python==3.3.1.11 opencv-contrib-python==3.4.0.12 ?
read https://pypi.org/project/opencv-contrib-python/#history
| | 4 | No.4 Revision |
pip install opencv-contrib-python==3.4.0.12 opencv-contrib-python==3.4.2.16
read https://pypi.org/project/opencv-contrib-python/#history
3.4.2.16 seems first 3.4 version for python 3.7. If you need 3.4.0 ( and bug with 3.4.0) you have to build python binding yourself
