Pip3 not Found error

[Odianosen25]

Hello,

Thanks again for your file. I have been using it for a while, and recently tried to rebuild it again. ALl of a sudden I get the below

(131/139) Upgrading libgfortran (8.3.0-r0 -> 9.2.0-r6)
(132/139) Upgrading gfortran (8.3.0-r0 -> 9.2.0-r6)
(133/139) Upgrading tiff (4.0.10-r3 -> 4.1.0-r0)
(134/139) Upgrading libtiffxx (4.0.10-r3 -> 4.1.0-r0)
(135/139) Upgrading tiff-dev (4.0.10-r3 -> 4.1.0-r0)
(136/139) Installing libidn2 (2.3.0-r0)
(137/139) Upgrading wget (1.20.3-r0 -> 1.20.3-r1)
(138/139) Purging mpfr3 (3.1.5-r1)
(139/139) Purging llvm8-libs (8.0.0-r1)
Executing busybox-1.31.1-r13.trigger
Executing ca-certificates-20191127-r2.trigger
Executing glib-2.64.1-r0.trigger
No schema files found: doing nothing.
OK: 970 MiB in 193 packages
'/usr/local/bin/python' -> '/usr/bin/python3'
'/usr/local/bin/pip' -> '/usr/bin/pip3'
'/usr/include/libpng' -> '/usr/include/libpng16'
'/usr/include/xlocale.h' -> '/usr/include/locale.h'
/bin/sh: pip3: not found
The command '/bin/sh -c apk add --update --no-cache     build-base clang clang-dev cmake pkgconf wget openblas openblas-dev     linux-headers     libjpeg-turbo libjpeg-turbo-dev     libpng libpng-dev     libwebp libwebp-dev     tiff tiff-dev     jasper-libs jasper-dev     openexr openexr-dev     ffmpeg-libs ffmpeg-dev     libavc1394 libavc1394-dev     gstreamer gstreamer-dev     gst-plugins-base gst-plugins-base-dev     libgphoto2 libgphoto2-dev &&     apk add --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing             --update --no-cache libtbb libtbb-dev &&     apk add --repository http://dl-cdn.alpinelinux.org/alpine/edge/main             --update --no-cache python3 python3-dev &&     apk upgrade --repository http://dl-cdn.alpinelinux.org/alpine/edge/main musl &&     ln -vfs /usr/bin/python3 /usr/local/bin/python &&     ln -vfs /usr/bin/pip3 /usr/local/bin/pip &&     ln -vfs /usr/include/libpng16 /usr/include/libpng &&     ln -vfs /usr/include/locale.h /usr/include/xlocale.h &&     pip3 install -v --no-cache-dir --upgrade pip &&     pip3 install -v --no-cache-dir numpy &&     cd /tmp &&     wget https://github.com/opencv/opencv/archive/$OPENCV_VERSION.tar.gz &&     tar -xvzf $OPENCV_VERSION.tar.gz &&     rm -vrf $OPENCV_VERSION.tar.gz &&     mkdir -vp /tmp/opencv-$OPENCV_VERSION/build &&     cd /tmp/opencv-$OPENCV_VERSION/build &&     cmake         -D CMAKE_BUILD_TYPE=RELEASE         -D CMAKE_C_COMPILER=/usr/bin/clang         -D CMAKE_CXX_COMPILER=/usr/bin/clang++         -D CMAKE_INSTALL_PREFIX=/usr         -D INSTALL_PYTHON_EXAMPLES=NO         -D INSTALL_C_EXAMPLES=NO         -D WITH_IPP=NO         -D WITH_1394=NO         -D WITH_LIBV4L=NO         -D WITH_V4l=YES         -D WITH_TBB=YES         -D WITH_FFMPEG=YES         -D WITH_GPHOTO2=YES         -D WITH_GSTREAMER=YES         -D BUILD_DOCS=NO         -D BUILD_TESTS=NO         -D BUILD_PERF_TESTS=NO         -D BUILD_EXAMPLES=NO         -D BUILD_opencv_java=NO         -D BUILD_opencv_python2=NO         -D BUILD_ANDROID_EXAMPLES=NO         -D PYTHON3_LIBRARY=`find /usr -name libpython3.so`         -D PYTHON_EXECUTABLE=`which python3`         -D PYTHON3_EXECUTABLE=`which python3`         -D BUILD_opencv_python3=YES .. &&     make -j`grep -c '^processor' /proc/cpuinfo` &&     make install &&     cd / && rm -vrf /tmp/opencv-$OPENCV_VERSION &&     apk del --purge build-base clang clang-dev cmake pkgconf wget openblas-dev                     openexr-dev gstreamer-dev gst-plugins-base-dev libgphoto2-dev                     libtbb-dev libjpeg-turbo-dev libpng-dev tiff-dev jasper-dev                     ffmpeg-dev libavc1394-dev python3-dev &&     rm -vrf /var/cache/apk/*' returned a non-zero code: 127

Will be gracious if you could point me in the right direction on how to fix this please.

Kind regards