Sort imports with isort in groupby.py

Author: JulianWgs

pandas/core/groupby/groupby.py

@@ -32,8 +32,8 @@ class providing the base-class of operations.
 
 import numpy as np
 
-from pandas._config.config import option_context
 from pandas._config import get_option
+from pandas._config.config import option_context
 
 from pandas._libs import Timestamp
 import pandas._libs.groupby as libgroupby