class LearningDatabase:
    def __init__(self):
        self.companies = []
        self.companies_chunks = []
        self.benchmark = None
        self.benchmark_wallet = None
        self.benchmark_target = 0.0

class LearningDatabase:
    def __init__(self):
        self.companies = []
        self.companies_chunks = []
        self.benchmark = None
        self.benchmark_wallet = None
        self.benchmark_target = 0.0
