feedback: add missing newline

Author: arw2019

pandas/_libs/tslibs/util.pxd

@@ -124,6 +124,7 @@ cdef inline bint is_bool_object(object obj) nogil:
 cdef inline bint is_real_number_object(object obj) nogil:
     return is_bool_object(obj) or is_integer_object(obj) or is_float_object(obj)
 
+
 cdef inline bint is_timedelta64_object(object obj) nogil:
     """
     Cython equivalent of `isinstance(val, np.timedelta64)`