C:\Users\吴勇>pip install candle
Collecting candle
Requirement already satisfied: matplotlib in f:\python\lib\site-packages (from candle) (2.2.3)
Requirement already satisfied: scikit-learn in f:\python\lib\site-packages (from candle) (0.19.2)
Requirement already satisfied: numpy in f:\python\lib\site-packages (from candle) (1.15.1)
Requirement already satisfied: six>=1.10 in f:\python\lib\site-packages (from matplotlib->candle) (1.11.0)
Requirement already satisfied: cycler>=0.10 in f:\python\lib\site-packages (from matplotlib->candle) (0.10.0)
Requirement already satisfied: pyparsing!=2.0.4,!=2.1.2,!=2.1.6,>=2.0.1 in f:\python\lib\site-packages (from matplotlib->candle) (2.2.0)
Requirement already satisfied: python-dateutil>=2.1 in f:\python\lib\site-packages (from matplotlib->candle) (2.7.3)
Requirement already satisfied: pytz in f:\python\lib\site-packages (from matplotlib->candle) (2018.5)
Requirement already satisfied: kiwisolver>=1.0.1 in f:\python\lib\site-packages (from matplotlib->candle) (1.0.1)
Requirement already satisfied: setuptools in f:\python\lib\site-packages (from kiwisolver>=1.0.1->matplotlib->candle) (39.0.1)
Installing collected packages: candle
  The script candle.exe is installed in 'f:\python\Scripts' which is not on PATH.
  Consider adding this directory to PATH or, if you prefer to suppress this warning, use --no-warn-script-location.
Successfully installed candle-0.0.1

这是安装，然后下面导入出错了
import candle
Traceback (most recent call last):
  File "<pyshell#0>", line 1, in <module>
    import candle
ModuleNotFoundError: No module named 'candle