Installation bug (Type Error)

[Dian Georgiev]

After trying to install escript 5.5 on OpenSuse Leap 15.1 I got the following message:

/python-escript_5.5> scons -j1 options_file=scons/templates/opensuse_py2_options.py
scons: Reading SConscript files ...
3.6.10 (default, Jan 16 2020, 09:12:04) [GCC]
Using options in scons/templates/opensuse_py2_options.py.
Using svn revision information from file. Got revision = 6948
Checking whether the C++ compiler works... (cached) yes
Checking for C++ function gethostname()... (cached) yes
Checking for C++ header file byteswap.h... (cached) yes
Checking for C++ function SCbswap32()... (cached) yes
Checking for C++ header file sys/endian.h... (cached) no
Checking for C++ header file libkern/OSByteOrder.h... (cached) no
Checking for working complex std::acos()... (cached) yes
Checking for C++ header file Python.h... (cached) yes
Checking for C++ function Py_Exit()... (cached) yes
Checking for C++ library boost_python-py2_7... (cached) yes
Checking for C++ library boost_python-py2_7... (cached) yes
Found boost/python/numpy.hpp. Building with boost numpy support.
Checking for C++ header file numpy/ndarrayobject.h... (cached) no
Checking for C++ library cppunit... yes
Checking for C++ library netcdf_c++... yes
Checking for C++ library umfpack... yes
TypeError: a bytes-like object is required, not 'str':
  File "python-escript_5.5/SConstruct", line 513:
    env=checkOptionalLibraries(env)
  File "python-escript_5.5/site_scons/dependencies.py", line 756:
    if p.returncode == 0 and 'libmpi' in gmshlibs: