take a look at this pull:
https://github.com/braincorp/robustus/pull/69
Probably you resolved conflicts incorrectly: the following code is missing
opencv_cmake_call_args = [
-                    'cmake',
-                    '../',
-                    '-DPYTHON_EXECUTABLE=%s' % robustus.python_executable,
-                    '-DBUILD_NEW_PYTHON_SUPPORT=ON',
-                    '-DBUILD_TESTS=OFF',
-                    '-DBUILD_PERF_TESTS=OFF',
-                    '-DBUILD_DOCS=OFF',
-                    '-DBUILD_opencv_apps=OFF',
-                    '-DBUILD_opencv_java=OFF',
-                    '-DWITH_CUDA=OFF',
-                    '-DCMAKE_INSTALL_PREFIX=%s' % cv_install_dir]
-                
-                if sys.platform.startswith('darwin'):
-                    python_lib_path = subprocess.check_output(['python-config', '--prefix']).strip()
-                    opencv_cmake_call_args.append('-DPYTHON_LIBRARY=%s/Python' % python_lib_path)
-                    opencv_cmake_call_args.append('-DPYTHON_INCLUDE_DIR=%s/Headers' % python_lib_path)
-                
-                run_shell(opencv_cmake_call_args,
-                          verbose=robustus.settings['verbosity'] >= 1)