Module ImportFrom alias alias ClassDef bases NameLoad body FunctionDef arguments args NameParam defaults body Assign NameStore AttributeLoad AttributeLoad AttributeLoad NameLoad attr attr attr Expr Call AttributeLoad NameLoad attr decorator_list Call NameLoad decorator_list
N/A thumbor.filters BaseFilter filter_method Filter N/A BaseFilter N/A grayscale N/A N/A self N/A N/A N/A engine N/A N/A N/A self context modules engine N/A N/A N/A engine convert_to_grayscale N/A N/A filter_method N/A