hunk.code_window: from unittest.mock import MagicMock
   from airflow import configuration as conf
   from airflow.configuration import mkdir_p
   from airflow.jobs import DagFileProcessor
   from airflow.jobs import LocalTaskJob as LJ
   from airflow.models import DagBag, TaskInstance as TI
  
hunk.labels: keep keep keep keep replace keep keep keep
hunk.file_path: tests/utils/test_dag_processing.py
hunk.type: replace
file: # -*- coding: utf-8 -*-
  #
  # Licensed to the Apache Software Foundation (ASF) under one
  # or more contributor license agreements.  See the NOTICE file
  # distributed with this work for additional information
  # regarding copyright ownership.  The ASF licenses this file
  # to you under the Apache License, Version 2.0 (the
  # "License"); you may not use this file except in compliance
  # with the License.  You may obtain a copy of the License at
  #
  #   http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing,
  # software distributed under the License is distributed on an
  # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  # KIND, either express or implied.  See the License for the
  # specific language governing permissions and limitations
  # under the License.
  
  """task_duration
  
  Revision ID: 2e541a1dcfed
  Revises: 1b38cef5b76e
  Create Date: 2015-10-28 20:38:41.266143
  
  """
  
  from alembic import op
  import sqlalchemy as sa
  from sqlalchemy.dialects import mysql
  
  # revision identifiers, used by Alembic.
  revision = '2e541a1dcfed'
  down_revision = '1b38cef5b76e'
  branch_labels = None
  depends_on = None
  
  
  def upgrade():
      # use batch_alter_table to support SQLite workaround
      with op.batch_alter_table("task_instance") as batch_op:
          batch_op.alter_column('duration',
                                existing_type=mysql.INTEGER(display_width=11),
                                type_=sa.Float(),
                                existing_nullable=True)
  
  
  def downgrade():
      pass
  