Debian build 4.10rc4 failing

[L.P.H. van Belle]

Hai guys, 
 
im trying to make Debian packages for samba 4.10rc4 but this looks like or missing python3 thing 
 
11:24:26 runner ' cd ../.. &&  CC="/usr/bin/gcc" /usr/bin/perl pidl/pidl --quiet --header --tdr-parser --outputdir bin/default/source4/lib/registry -- "source4/lib/registry/regf.idl" '
[395/456] Processing ntstatus_generated: source4/scripting/bin/gen_ntstatus.py libcli/util/ntstatus_err_table.txt source4/scripting/bin/gen_error_common.py -> bin/default/libcli/util/ntstatus_gen.h bin/default/libcli/util/nterr_gen.c bin/default/libcli/util/py_ntstatus.c
11:24:26 runner ' /usr/bin/python3 /home/pbuilder/archive/build-samba/11-samba/samba-4.10.0rc4/source4/scripting/bin/gen_ntstatus.py /home/pbuilder/archive/build-samba/11-samba/samba-4.10.0rc4/libcli/util/ntstatus_err_table.txt /home/pbuilder/archive/build-samba/11-samba/samba-4.10.0rc4/bin/default/libcli/util/ntstatus_gen.h /home/pbuilder/archive/build-samba/11-samba/samba-4.10.0rc4/bin/default/libcli/util/nterr_gen.c /home/pbuilder/archive/build-samba/11-samba/samba-4.10.0rc4/bin/default/libcli/util/py_ntstatus.c '
Traceback (most recent call last):
  File "/home/pbuilder/archive/build-samba/11-samba/samba-4.10.0rc4/source4/scripting/bin/gen_ntstatus.py", line 156, in <module>
    main()
  File "/home/pbuilder/archive/build-samba/11-samba/samba-4.10.0rc4/source4/scripting/bin/gen_ntstatus.py", line 139, in main
    errors = parseErrorDescriptions(file_contents, False, transformErrorName)
  File "/home/pbuilder/archive/build-samba/11-samba/samba-4.10.0rc4/source4/scripting/bin/gen_error_common.py", line 51, in parseErrorDescriptions
    for line in file_contents:
  File "/usr/lib/python3.5/encodings/ascii.py", line 26, in decode
    return codecs.ascii_decode(input, self.errors)[0]
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 318: ordinal not in range(128)
 
 
Any suggestions ? 
 
 
 
Greetz, 
 
Louis