视觉识别cv2报错，有没有能解决的大神

Traceback (most recent call last):  File "/root/3-ncnn_new/5-ncnn_new/2-shufflenetv2.py", line 20, in <module>    import cv2  File "/usr/local/lib/python3.7/dist-packages/cv2/__init__.py", line 181, in <module>    bootstrap()  File "/usr/local/lib/python3.7/dist-packages/cv2/__init__.py", line 175, in bootstrap    if __load_extra_py_code_for_module("cv2", submodule, DEBUG):  File "/usr/local/lib/python3.7/dist-packages/cv2/__init__.py", line 28, in __load_extra_py_code_for_module    py_module = importlib.import_module(module_name)  File "/usr/lib/python3.7/importlib/__init__.py", line 127, in import_module    return _bootstrap._gcd_import(name[level:], package, level)  File "/usr/local/lib/python3.7/dist-packages/cv2/gapi/__init__.py", line 323, in <module>    cv.gapi.wip.GStreamerPipeline = cv.gapi_wip_gst_GStreamerPipelineAttributeError: module 'cv2' has no attribute 'gapi_wip_gst_GStreamerPipeline'root@unihiker:~/3-ncnn_new/5-ncnn_new#

运行行空板视觉识别模块，总是出现cv2缺少的库，但是又安装不上，求助。

您看看在库管理里面安装了cv2了吗 如果安装了在pip模式里输入这两行代码重新安装一下

pip uninstall opencv-python-headless opencv-contrib-python-headless
pip install opencv-python-headless opencv-contrib-python-headless