Youopened in w mode, so you can't read it. Also, w mode empties the file, so there's nothing to read. If you want to read and write it, use r+ mode. Don't forget to truncate it after writing. - Barmar Leviticus6:13 The fire shall be kept burning on the altar continually; it must not be extinguished. The fire must be kept burning on the altar continuously; it must not go out. Remember, the fire must be kept burning on the altar at all times. It must never go out. Ijust had the same problem (even with version 1.0.3 of moviepy) while trying to display the video clip in a Jupyter notebook using clip.ipython_display.. In my case, the problem was caused by the FFmpeg version detected by moviepy which was ffmpeg-imageio (whatever that is).. As described on the installation page of moviepy, you can basically do two things: このフレーズまたは「SHALL NOT」というフレーズは、その定義が本仕様で絶対的に禁止されていることを意味します。 言葉通り、MUST NOTまたはSHALL NOTのラベルが付けられた項目は絶対的に禁止されている。 SHOULD、RECOMMENDED. SHOULD This word, or the adjective "RECOMMENDED thatall federal and state laws and regulations, whether mentioned herein or not, must be observed and followed to be in compliance with KYTC requirements. Users are encouraged to advise the Director of the Division of Right of Way and Utilities of the need for corrections or provide suggestions that would improve the content of this manual. Secretariesof state - who in most cases are in charge of deciding who gets on the ballot - must refuse to place Donald Trump's name on the 2024 ballot, based on the clear meaning of section u5zrww.

must be not or must not be