error in VF generate from glyphs source

[aminabedi68]

Hi
with this source i see this error log:

C:\Users\cyber\Downloads>fontmake -o variable -g Dabir.glyphs
INFO:fontmake.font_project:Building master UFOs and designspace from Glyphs source
INFO:glyphsLib.parser:Parsing .glyphs file
Traceback (most recent call last):
  File "<frozen runpy>", line 198, in _run_module_as_main
  File "<frozen runpy>", line 88, in _run_code
  File "C:\Users\cyber\AppData\Local\Programs\Python\Python311\Scripts\fontmake.exe\__main__.py", line 7, in <module>
  File "C:\Users\cyber\AppData\Local\Programs\Python\Python311\Lib\site-packages\fontmake\__main__.py", line 656, in main
    project.run_from_glyphs(inputs.glyphs_path, **args)
  File "C:\Users\cyber\AppData\Local\Programs\Python\Python311\Lib\site-packages\fontmake\font_project.py", line 823, in run_from_glyphs
    designspace_path = self.build_master_ufos(
                       ^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\cyber\AppData\Local\Programs\Python\Python311\Lib\site-packages\fontTools\misc\loggingTools.py", line 375, in wrapper
    return func(*args, **kwds)
           ^^^^^^^^^^^^^^^^^^^
  File "C:\Users\cyber\AppData\Local\Programs\Python\Python311\Lib\site-packages\fontmake\font_project.py", line 223, in build_master_ufos
    designspace = glyphsLib.to_designspace(
                  ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\cyber\AppData\Local\Programs\Python\Python311\Lib\site-packages\glyphsLib\builder\__init__.py", line 130, in to_designspace
    return builder.designspace
           ^^^^^^^^^^^^^^^^^^^
  File "C:\Users\cyber\AppData\Local\Programs\Python\Python311\Lib\site-packages\glyphsLib\builder\builders.py", line 334, in designspace
    list(self.masters)  # Make sure that the UFOs are built
    ^^^^^^^^^^^^^^^^^^
  File "C:\Users\cyber\AppData\Local\Programs\Python\Python311\Lib\site-packages\glyphsLib\builder\builders.py", line 209, in masters
    self.to_ufo_font_attributes(self.family_name)  # .font
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\cyber\AppData\Local\Programs\Python\Python311\Lib\site-packages\glyphsLib\builder\font.py", line 56, in to_ufo_font_attributes
    self.to_ufo_custom_params(ufo, font)  # .custom_params
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\cyber\AppData\Local\Programs\Python\Python311\Lib\site-packages\glyphsLib\builder\custom_params.py", line 1073, in to_ufo_custom_params
    handler.to_ufo(self, glyphs_proxy, ufo_proxy)
  File "C:\Users\cyber\AppData\Local\Programs\Python\Python311\Lib\site-packages\glyphsLib\builder\custom_params.py", line 247, in to_ufo
    ufo_value = self.value_to_ufo(glyphs_value)
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\cyber\AppData\Local\Programs\Python\Python311\Lib\site-packages\glyphsLib\builder\custom_params.py", line 528, in to_ufo_gasp_table
    value = {int(k): int(v) for k, v in value.items()}
                                        ^^^^^^^^^^^
AttributeError: 'str' object has no attribute 'items'

[anthrotype]

Probably related to googlefonts/glyphsLib#944