A campaign active since last November has been targeting Python developers building Telegram bots with trojanized Pyrogram ...
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Python, for all its power and popularity, has long lacked a form of flow control found in other languages—a way to take a value and match it elegantly against one of a number of possible conditions.
SOLUTION : MAY BE YOU INSTALL OPENCV BUT OPENCV NOT CONTAIN VIDEO MODULE SO INSTALL GITHUB FILE OF OPENCV AND RUN THIS FILE (opt_flow )IN OPENCV/PYTHON/SAMPLE/OPT ...