`Traceback (most recent call last):


 "draw_chl2.py", line 87, in <module>

scn.load([composite])


 ".../lib/python3.7/site-packages/satpy/scene.py", line 973, in load

keepables = self.generate_composites()


 ".../lib/python3.7/site-packages/satpy/scene.py", line 888, in generate_composites

return self._read_composites(nodes)


 ".../lib/python3.7/site-packages/satpy/scene.py", line 863, in _read_composites

self._generate_composite(item, keepables)


 ".../lib/python3.7/site-packages/satpy/scene.py", line 838, in _generate_composite

**self.attrs)


 ".../lib/python3.7/site-packages/satpy/composites/__init__.py", line 1666, in __call__

flag_values = cloud_mask.attrs['flag_values']
KeyError: 'flag_values'`


Traceback (most recent call last):


 "d:\virtual_envs\py364_32\lib\site-packages\jedi\cache.py", line 140, in wrapper

return dct[key]

KeyError: ((), frozenset())
