tests try to import python2 modules from pygtk

[pacho2]

tests fail with python3 because modules from pygtk (python2 only) are imported:

======================================================================
ERROR: update_udhr_samples (unittest.loader._FailedTest)
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ImportError: Failed to import test module: update_udhr_samples
Traceback (most recent call last):
  File "/usr/lib64/python3.6/unittest/loader.py", line 153, in loadTestsFromName
    module = __import__(module_name)
  File "/var/tmp/portage/dev-python/nototools-0_pre20200428/work/nototools-2aa38cca1c17d2262fbda706f68623f712dd446e/nototools/update_udhr_samples.py", line 38, in <module>
    from nototools import generate_website_data
  File "/var/tmp/portage/dev-python/nototools-0_pre20200428/work/nototools-2aa38cca1c17d2262fbda706f68623f712dd446e/nototools/generate_website_data.py", line 41, in <module>
    from nototools import create_image
  File "/var/tmp/portage/dev-python/nototools-0_pre20200428/work/nototools-2aa38cca1c17d2262fbda706f68623f712dd446e/nototools/create_image.py", line 33, in <module>
    import pango
ModuleNotFoundError: No module named 'pango'


======================================================================
ERROR: font_tests (unittest.loader._FailedTest)
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ImportError: Failed to import test module: font_tests
Traceback (most recent call last):
  File "/usr/lib64/python3.6/unittest/loader.py", line 153, in loadTestsFromName
    module = __import__(module_name)
  File "/var/tmp/portage/dev-python/nototools-0_pre20200428/work/nototools-2aa38cca1c17d2262fbda706f68623f712dd446e/nototools/unittests/font_tests.py", line 23, in <module>
    import freetype
ModuleNotFoundError: No module named 'freetype'


======================================================================
ERROR: merge_fonts (unittest.loader._FailedTest)
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ImportError: Failed to import test module: merge_fonts
Traceback (most recent call last):
  File "/usr/lib64/python3.6/unittest/loader.py", line 153, in loadTestsFromName
    module = __import__(module_name)
  File "/var/tmp/portage/dev-python/nototools-0_pre20200428/work/nototools-2aa38cca1c17d2262fbda706f68623f712dd446e/nototools/merge_fonts.py", line 40, in <module>
    from merge_noto import add_gsub_to_font, has_gsub_table
ModuleNotFoundError: No module named 'merge_noto'


======================================================================
ERROR: generate_website_data (unittest.loader._FailedTest)
----------------------------------------------------------------------
ImportError: Failed to import test module: generate_website_data
Traceback (most recent call last):
  File "/usr/lib64/python3.6/unittest/loader.py", line 153, in loadTestsFromName
    module = __import__(module_name)
  File "/var/tmp/portage/dev-python/nototools-0_pre20200428/work/nototools-2aa38cca1c17d2262fbda706f68623f712dd446e/nototools/generate_website_data.py", line 41, in <module>
    from nototools import create_image
  File "/var/tmp/portage/dev-python/nototools-0_pre20200428/work/nototools-2aa38cca1c17d2262fbda706f68623f712dd446e/nototools/create_image.py", line 33, in <module>
    import pango
ModuleNotFoundError: No module named 'pango'


======================================================================
ERROR: generate_website_2_data (unittest.loader._FailedTest)
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ImportError: Failed to import test module: generate_website_2_data
Traceback (most recent call last):
  File "/usr/lib64/python3.6/unittest/loader.py", line 153, in loadTestsFromName
    module = __import__(module_name)
  File "/var/tmp/portage/dev-python/nototools-0_pre20200428/work/nototools-2aa38cca1c17d2262fbda706f68623f712dd446e/nototools/generate_website_2_data.py", line 38, in <module>
    from nototools import create_image
  File "/var/tmp/portage/dev-python/nototools-0_pre20200428/work/nototools-2aa38cca1c17d2262fbda706f68623f712dd446e/nototools/create_image.py", line 33, in <module>
    import pango
ModuleNotFoundError: No module named 'pango'


======================================================================
ERROR: generate_sample_from_exemplar (unittest.loader._FailedTest)
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ImportError: Failed to import test module: generate_sample_from_exemplar
Traceback (most recent call last):
  File "/usr/lib64/python3.6/unittest/loader.py", line 153, in loadTestsFromName
    module = __import__(module_name)
  File "/var/tmp/portage/dev-python/nototools-0_pre20200428/work/nototools-2aa38cca1c17d2262fbda706f68623f712dd446e/nototools/generate_sample_from_exemplar.py", line 28, in <module>
    from nototools import create_image
  File "/var/tmp/portage/dev-python/nototools-0_pre20200428/work/nototools-2aa38cca1c17d2262fbda706f68623f712dd446e/nototools/create_image.py", line 33, in <module>
    import pango
ModuleNotFoundError: No module named 'pango'


======================================================================
ERROR: create_image (unittest.loader._FailedTest)
----------------------------------------------------------------------
ImportError: Failed to import test module: create_image
Traceback (most recent call last):
  File "/usr/lib64/python3.6/unittest/loader.py", line 153, in loadTestsFromName
    module = __import__(module_name)
  File "/var/tmp/portage/dev-python/nototools-0_pre20200428/work/nototools-2aa38cca1c17d2262fbda706f68623f712dd446e/nototools/create_image.py", line 33, in <module>
    import pango
ModuleNotFoundError: No module named 'pango'


======================================================================
ERROR: compare_fonts (unittest.loader._FailedTest)
----------------------------------------------------------------------
ImportError: Failed to import test module: compare_fonts
Traceback (most recent call last):
  File "/usr/lib64/python3.6/unittest/loader.py", line 153, in loadTestsFromName
    module = __import__(module_name)
  File "/var/tmp/portage/dev-python/nototools-0_pre20200428/work/nototools-2aa38cca1c17d2262fbda706f68623f712dd446e/nototools/compare_fonts.py", line 26, in <module>
    import cldr_data
ModuleNotFoundError: No module named 'cldr_data'


----------------------------------------------------------------------
Ran 8 tests in 0.002s

FAILED (errors=8)
Test failed: <unittest.runner.TextTestResult run=8 errors=8 failures=0>
Getting fonts from: ['/var/tmp/portage/dev-python/nototools-0_pre20200428/work/nototools-2aa38cca1c17d2262fbda706f68623f712dd446e/hinted', '/var/tmp/portage/dev-python/nototools-0_pre20200428/work/nototools-2aa38cca1c17d2262fbda706f68623f712dd446e/unhinted', '/var/tmp/portage/dev-python/nototools-0_pre20200428/work/nototools-2aa38cca1c17d2262fbda706f68623f712dd446e/fonts', '/var/tmp/portage/dev-python/nototools-0_pre20200428/work/nototools-2aa38cca1c17d2262fbda706f68623f712dd446e']

Thanks