The default dtype for empty Series will be ‘object‘ instead of ‘float64‘ in a future version

The default dtype for empty Series will be ‘object‘ instead of ‘float64‘ in a future version

警告提示：

DeprecationWarning: The default dtype for empty Series will be ‘object’ instead of ‘float64’ in a future version warning

解决方法：

将 pd.Series([])改为pd.Series([], dtype=pd.StringDtype())