import cv2 error

error.log

> make install
...
-- Up-to-date: C:/prog/Python37/Lib/site-packages/cv2/__init__.py
-- Up-to-date: C:/prog/Python37/Lib/site-packages/cv2/load_config_py2.py
-- Up-to-date: C:/prog/Python37/Lib/site-packages/cv2/load_config_py3.py
-- Up-to-date: C:/prog/Python37/Lib/site-packages/cv2/config.py
-- Up-to-date: C:/prog/Python37/Lib/site-packages/cv2/misc/__init__.py
-- Up-to-date: C:/prog/Python37/Lib/site-packages/cv2/misc/version.py
-- Up-to-date: C:/prog/Python37/Lib/site-packages/cv2/mat_wrapper/__init__.py
-- Up-to-date: C:/prog/Python37/Lib/site-packages/cv2/utils/__init__.py
-- Installing: C:/prog/Python37/Lib/site-packages/cv2/gapi/__init__.py
-- Installing: C:/prog/Python37/Lib/site-packages/cv2/python-3.7/cv2.pyd
-- Up-to-date: C:/prog/Python37/Lib/site-packages/cv2/config-3.7.py
...


c:\p\opencv\build>pycv

c:\p\opencv\build>python -i -c "import cv2, numpy as np"
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "C:\prog\Python37\lib\site-packages\cv2\__init__.py", line 181, in <module>
    bootstrap()
  File "C:\prog\Python37\lib\site-packages\cv2\__init__.py", line 175, in bootstrap
    if __load_extra_py_code_for_module("cv2", submodule, DEBUG):
  File "C:\prog\Python37\lib\site-packages\cv2\__init__.py", line 28, in __load_extra_py_code_for_module
    py_module = importlib.import_module(module_name)
  File "C:\prog\Python37\lib\importlib\__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "C:\prog\Python37\lib\site-packages\cv2\gapi\__init__.py", line 290, in <module>
    cv.gapi.wip.GStreamerPipeline = cv.gapi_wip_gst_GStreamerPipeline
AttributeError: module 'cv2' has no attribute 'gapi_wip_gst_GStreamerPipeline'
>>> quit()