pandas.api.types.is_period_dtype
- 
pandas.api.types.is_period_dtype(arr_or_dtype)[source] - 
Check whether an array-like or dtype is of the Period dtype.
Parameters: - 
arr_or_dtype : array-like - 
The array-like or dtype to check.
 
Returns: - 
boolean : Whether or not the array-like or dtype is of the Period dtype. 
Examples
>>> is_period_dtype(object) False >>> is_period_dtype(PeriodDtype(freq="D")) True >>> is_period_dtype([1, 2, 3]) False >>> is_period_dtype(pd.Period("2017-01-01")) False >>> is_period_dtype(pd.PeriodIndex([], freq="A")) True - 
 
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    https://pandas.pydata.org/pandas-docs/version/0.24.2/reference/api/pandas.api.types.is_period_dtype.html