def _validate(start, k_ar, dates, method):
"""
Checks the date and then returns an integer
"""
from datetime import datetime
if isinstance(start, (basestring, datetime)):
start_date = start
start = _index_date(start, dates)
if 'mle' not in method and start < k_ar:
raise ValueError("Start must be >= k_ar for conditional MLE or "
"dynamic forecast. Got %s" % start_date)
def _validate(start, k_ar, dates, method):
"""
Checks the date and then returns an integer
"""
from datetime import datetime
if isinstance(start, (string_types, datetime)):
start_date = start
start = _index_date(start, dates)
if 'mle' not in method and start < k_ar:
raise ValueError("Start must be >= k_ar for conditional MLE or "
"dynamic forecast. Got %s" % start_date)
return start
