[...]

+ cd iso8601-0.1.12
+ LDFLAGS='-Wl,--as-needed -Wl,--no-copy-dt-needed-entries -Wl,-z,relro -Wl,-z,combreloc ' 
+ export LDFLAGS
+ CFLAGS=' -O2 -fwrapv -pipe -Wformat -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 -fomit-frame-pointer -march=i686 -fasynchronous-unwind-tables -mtune=pentium4 ' 
+ export CFLAGS
+ CXXFLAGS=' -O2 -fwrapv -pipe -Wformat -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 -fomit-frame-pointer -march=i686 -fasynchronous-unwind-tables -mtune=pentium4 ' 
+ export CXXFLAGS
+ CC=i686-tld-linux-gcc 
+ export CC
+ CXX=i686-tld-linux-g++ 
+ export CXX
+ /usr/bin/python setup.py build '--build-base=build-2'
running build
running build_py
creating build-2
creating build-2/lib
creating build-2/lib/iso8601
copying iso8601/__init__.py -> build-2/lib/iso8601
copying iso8601/iso8601.py -> build-2/lib/iso8601
copying iso8601/test_iso8601.py -> build-2/lib/iso8601
+ /usr/bin/python -mpytest iso8601/test_iso8601.py
Traceback (most recent call last):
  File "/usr/lib/python2.7/runpy.py", line 174, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/usr/share/python2.7/site-packages/pytest.py", line 9, in <module>
    from _pytest.config import main, UsageError, cmdline, hookspec, hookimpl
  File "/usr/share/python2.7/site-packages/_pytest/config/__init__.py", line 17, in <module>
  File "/usr/share/python2.7/site-packages/_pytest/_code/__init__.py", line 3, in <module>
  File "/usr/share/python2.7/site-packages/_pytest/_code/code.py", line 10, in <module>
    from codeop import CommandCompiler, compile_command
  File "/usr/share/python2.7/site-packages/_pytest/compat.py", line 33, in <module>
ImportError: No module named funcsigs
error: Bad exit status from /tmp/B.dd0YhQ/BUILD/tmp/rpm-tmp.44787 (%build)
RPM build errors:
    Bad exit status from /tmp/B.dd0YhQ/BUILD/tmp/rpm-tmp.44787 (%build)
ended at: Thu Aug 30 14:24:18 2018, done in 0:00:00.599167
error: No files produced.
mesg: ttyname failed: Inappropriate ioctl for device
+ chmod -R u+rwX /tmp/B.dd0YhQ/BUILD
+ rm -rf /tmp/B.dd0YhQ/tmp /tmp/B.dd0YhQ/BUILD
mesg: ttyname failed: Inappropriate ioctl for device
+ rm -rf /tmp/B.dd0YhQ
Begin-TLD-Builder-Info
Build-Time: user:1.01s sys:0.14s real:1.81s (faults io:0 non-io:73846)
End-TLD-Builder-Info