树莓派>>> import cv2 Traceback (most recent call last): File "<stdin>", line 1, in <module> ModuleNotFoundError: No module named 'cv2' >>>

回答: 这个问题是由于缺少相应的Python模块导致的。根据引用\[1\]和引用\[2\]的报错信息，可以看出缺少了名为'requests'的模块。你可以通过在命令行中运行"pip install requests"来安装这个模块。同样地，根据引用\[3\]的报错信息，缺少了名为'cv2'的模块。你可以尝试使用命令"pip install opencv-python"来安装这个模块。安装完成后，你应该能够成功导入这些模块并解决报错问题。
#### 引用[.reference_title]
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