def constants(self):
        return set()
A helper method for get_cachedir_bsig.
dataset/ETHPy150Open nltk/nltk/nltk/sem/logic.py/FunctionVariableExpression.constants--crossover with--dataset/ETHPy150Open kayhayen/Nuitka/nuitka/build/inline_copy/lib/scons-2.3.2/SCons/Node/FS.py/File.get_contents_sig