<p dir="auto">[ 82%] Built target opencv_python2<br>
[ 82%] Generating pyopencv_generated_include.h, pyopencv_generated_funcs.h, pyopencv_generated_types.h, pyopencv_generated_type_reg.h, pyopencv_generated_ns_reg.h<br>
Note: Class l has more than 1 base class (not supported by Python C extensions)<br>
Bases:  cv::a, cv::s, cv::s, cv::A, cv::l, cv::g, cv::o, cv::r, cv::i, cv::t, cv::h, cv::m<br>
Only the first base class will be used<br>
Generator error: constant l_MAGIC_VAL (cname=cv::l::MAGIC_VAL) already exists<br>
make[2]: *** [modules/python3/CMakeFiles/opencv_python3.dir/build.make:269: modules/python3/pyopencv_generated_include.h] Error 255<br>
make[1]: *** [CMakeFiles/Makefile2:13602: modules/python3/CMakeFiles/opencv_python3.dir/all] Error 2<br>
make: *** [Makefile:163: all] Error 2</p>
<p dir="auto">I used python 3.7</p>
<p dir="auto">cmake -D CMAKE_BUILD_TYPE=RELEASE <br>
-D CMAKE_INSTALL_PREFIX=/usr/local <br>
-D INSTALL_PYTHON_EXAMPLES=ON <br>
-D INSTALL_C_EXAMPLES=OFF <br>
-D ENABLE_PRECOMPILED_HEADERS=OFF <br>
-D OPENCV_EXTRA_MODULES_PATH=~/opencv_contrib-3.1.0/modules <br>
-D BUILD_EXAMPLES=ON ..</p>
<p dir="auto">and followed these steps <a href="https://www.pyimagesearch.com/2016/04/18/install-guide-raspberry-pi-3-raspbian-jessie-opencv-3/" rel="nofollow">https://www.pyimagesearch.com/2016/04/18/install-guide-raspberry-pi-3-raspbian-jessie-opencv-3/</a></p>
<p dir="auto">please help!!!!!</p>
<h5 dir="auto">System information (version)</h5>

<h5 dir="auto">Detailed description</h5>
<p dir="auto">[ 98%] Built target pch_Generate_opencv_videostab<br>
[ 98%] Built target opencv_videostab<br>
[ 98%] Built target opencv_python2<br>
[ 98%] Generating pyopencv_generated_include.h, pyopencv_generated_funcs.h, pyopencv_generated_types.h, pyopencv_generated_type_reg.h, pyopencv_generated_ns_reg.h<br>
Note: Class l has more than 1 base class (not supported by Python C extensions)<br>
Bases:  cv::a, cv::s, cv::s, cv::A, cv::l, cv::g, cv::o, cv::r, cv::i, cv::t, cv::h, cv::m<br>
Only the first base class will be used<br>
Generator error: constant l_MAGIC_VAL (cname=cv::l::MAGIC_VAL) already exists<br>
modules/python3/CMakeFiles/opencv_python3.dir/build.make:158: recipe for target 'modules/python3/pyopencv_generated_include.h' failed<br>
make[2]: *** [modules/python3/pyopencv_generated_include.h] Error 255<br>
CMakeFiles/Makefile2:11977: recipe for target 'modules/python3/CMakeFiles/opencv_python3.dir/all' failed<br>
make[1]: *** [modules/python3/CMakeFiles/opencv_python3.dir/all] Error 2<br>
Makefile:162: recipe for target 'all' failed<br>
make: *** [all] Error 2</p>