pull isort to be sure to be on latest version

also use working directory option rather than a sh with a cd

docker_dev_start.py

@@ -32,5 +32,5 @@
 
 _logger = logging.getLogger(__name__)
 
-__version__ = '1.1.11'
+__version__ = '1.1.12'
 __date__ = '2017-08-11'
@@ -36,5 +36,5 @@
 __date__ = '2017-08-11'
-__updated__ = '2019-01-29'
+__updated__ = '2019-06-17'
 
 
 def which(program):
@@ -72,6 +72,6 @@
         '/mnt'])
 
 
-def isort():
+def isort(docker_client):
     """Run isort
     """
@@ -76,5 +76,7 @@
     """Run isort
     """
+    _logger.info('Pulling isort')
+    docker_client.pull(repository='xcgd/isort', tag='odoo')
     _logger.info('Running isort')
     call([
         'docker', 'run', '--rm', '--volume',
@@ -78,8 +80,8 @@
     _logger.info('Running isort')
     call([
         'docker', 'run', '--rm', '--volume',
-        '{}:/mnt'.format(os.environ['PWD']), 'xcgd/isort:odoo',
-        'sh', '-c', 'cd /mnt && isort -c'])
+        '{}:/mnt'.format(os.environ['PWD']), '-w', '/mnt', 'xcgd/isort:odoo',
+        'isort', '-c'])
 
 
 def main(argv=None):  # IGNORE:C0111
@@ -647,7 +649,7 @@
         flake8(odoo_type)
 
     if run_isort:
-        isort()
+        isort(docker_client)
 
     if dev:
         if odoo_type in ('odoo11', 'odoo10'):