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make -j4 fails when installing openCV for ubuntu 16.04

When make -j4 it ended up fails like this:

[ 86%] Linking CXX executable ../../bin/opencv_perf_stitching

[ 87%] Built target opencv_test_stitching

[ 87%] Generating pyopencv_generated_include.h, pyopencv_generated_funcs.h, pyopencv_generated_types.h, pyopencv_generated_type_reg.h, pyopencv_generated_ns_reg.h

/bin/sh: 1: /home/jbd/.virtualenv/OCR/bin/python: not found

modules/python2/CMakeFiles/opencv_python2.dir/build.make:325: recipe for target 'modules/python2/pyopencv_generated_include.h' failed

make[2]: * [modules/python2/pyopencv_generated_include.h] Error 127

CMakeFiles/Makefile2:21825: recipe for target 'modules/python2/CMakeFiles/opencv_python2.dir/all' failed

make[1]: * [modules/python2/CMakeFiles/opencv_python2.dir/all] Error 2

make[1]: * Waiting for unfinished jobs....

[ 87%] Built target opencv_perf_stitching

Makefile:160: recipe for target 'all' failed

make: * [all] Error 2

I've searched everywhere for 2 weeks for the solution but none of them are any help, is there any solution?