ase.io.png tests fail with matplotlib v3.2.1
Hello, ase.io.png
tests fail with matplotlib v3.2.1:
> Error in fio/oi.py on pid 19806:
> Workdir: /tmp/ase-test-rxy2us7b/fio_oi_py
> Traceback (most recent call last):
> File "/<<PKGBUILDDIR>>/.pybuild/cpython3_3.7_ase/build/ase/io/png.py", line 38, in write_trailer
> _png.write_png(x, self.w, self.h, self.filename, 72)
> TypeError: an integer is required (got type str)
>
> During handling of the above exception, another exception occurred:
>
> Traceback (most recent call last):
> File "/<<PKGBUILDDIR>>/.pybuild/cpython3_3.7_ase/build/ase/test/testsuite.py", line 128, in run_single_test
> runtest_almost_no_magic(filename)
> File "/<<PKGBUILDDIR>>/.pybuild/cpython3_3.7_ase/build/ase/test/testsuite.py", line 74, in runtest_almost_no_magic
> runpy.run_path(path, run_name='test')
> File "/usr/lib/python3.7/runpy.py", line 263, in run_path
> pkg_name=pkg_name, script_name=fname)
> File "/usr/lib/python3.7/runpy.py", line 96, in _run_module_code
> mod_name, mod_spec, pkg_name, script_name)
> File "/usr/lib/python3.7/runpy.py", line 85, in _run_code
> exec(code, run_globals)
> File "/<<PKGBUILDDIR>>/.pybuild/cpython3_3.7_ase/build/ase/test/fio/oi.py", line 156, in <module>
> test(format)
> File "/<<PKGBUILDDIR>>/.pybuild/cpython3_3.7_ase/build/ase/test/fio/oi.py", line 132, in test
> write(fname1, atoms, format=format)
> File "/<<PKGBUILDDIR>>/.pybuild/cpython3_3.7_ase/build/ase/io/formats.py", line 507, in write
> **kwargs)
> File "/<<PKGBUILDDIR>>/.pybuild/cpython3_3.7_ase/build/ase/parallel.py", line 233, in new_func
> return func(*args, **kwargs)
> File "/<<PKGBUILDDIR>>/.pybuild/cpython3_3.7_ase/build/ase/io/formats.py", line 556, in _write
> io.write(filename, images, **kwargs)
> File "/<<PKGBUILDDIR>>/.pybuild/cpython3_3.7_ase/build/ase/io/png.py", line 46, in write_png
> PNG(atoms, **parameters).write(filename)
> File "/<<PKGBUILDDIR>>/.pybuild/cpython3_3.7_ase/build/ase/io/eps.py", line 27, in write
> self.write_trailer()
> File "/<<PKGBUILDDIR>>/.pybuild/cpython3_3.7_ase/build/ase/io/png.py", line 42, in write_trailer
> _png.write_png(x, self.filename, 72)
> TypeError: Object does not appear to be a file-like object