finrobot/data_source/__init__.py

import importlib.util

from .finnhub_utils import FinnHubUtils
from .yfinance_utils import YFinanceUtils
from .fmp_utils import FMPUtils
from .sec_utils import SECUtils

if importlib.util.find_spec("finnlp") is not None:
    from .finnlp_utils import FinNLPUtils

    __all__ = ["FinNLPUtils", "FinnHubUtils", "YFinanceUtils", "FMPUtils", "SECUtils"]
else:
    __all__ = ["FinnHubUtils", "YFinanceUtils", "FMPUtils", "SECUtils"]