Package micropython is missing dependencies for the following libraries:
libpthread.so.1
Makefile:57: recipe for target '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/bin/packages/arc_archs/packages/micropython_1.8.6-5a1d63fc14dae788f705403a43c2d8639b7dd9cd-1_arc_archs.ipk' failed
make[3]: *** [/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/bin/packages/arc_archs/packages/micropython_1.8.6-5a1d63fc14dae788f705403a43c2d8639b7dd9cd-1_arc_archs.ipk] Error 1