FutureWarning: .as_matrix

[e-lo]

egg/fasttrips/Assignment.py:605: FutureWarning: Method .as_matrix will be removed in a future
 version. Use .values instead.
    Trip.STOPTIMES_COLUMN_STOP_ID_NUM]].as_matrix().astype('int32'),
  //anaconda/envs/py37/lib/python3.7/site-packages/fasttrips-1.0a14-py3.7-macosx-10.7-x86_64.
egg/fasttrips/Assignment.py:609: FutureWarning: Method .as_matrix will be removed in a future
 version. Use .values instead.