Error while building osmo-bts for sysmoBTS

Hi, I was following the procedure "Compiling osmo-bts for sysmoBTS" and using poky/1.5.4/sysroots/armv5te-poky-linux-gnueabi During execution of libosmocore project it failed with: ... GEN gsm0503_conv.c Traceback (most recent call last): File "../../utils/conv_gen.py", line 26, in <module> import sys, os, math, argparse ImportError: CC oap.lo No module named argparse Makefile:735: recipe for target 'gsm0503_conv.c' failed make[2]: *** [gsm0503_conv.c] Error 1 make[2]: *** Waiting for unfinished jobs.... make[2]: Leaving directory '/home/ivaylo/net/osmo/libosmocore/src/gsm' Makefile:460: recipe for target 'all-recursive' failed make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory '/home/ivaylo/net/osmo/libosmocore' Makefile:327: recipe for target 'all' failed make: *** [all] Error 2 ... I am using: Python 2.7.12+ (default, Sep 17 2016, 12:08:02) [GCC 6.2.0 20160914] on linux2 Type "help", "copyright", "credits" or "license" for more information. I think that something is broken. regards, Ivaylo -- ------------------------------ - Ivaylo Kostov &lt;ikostov(a)sysmocom.de&gt; <mailto:ikostov@sysmocom.de> http://www.sysmocom.de/ ======================================================================= * sysmocom - systems for mobile communications GmbH * Alt-Moabit 93 * 10559 Berlin, Germany * Sitz / Registered office: Berlin, HRB 134158 B * Geschaeftsfuehrer / Managing Director: Harald Welte ------------------------------