fix py2.6 formatting error

aliyun/log/etl_core/config_parser.py

@@ -1,13 +1,11 @@
 import ast
-import inspect
 import logging
 import re
 import six
 from collections import Callable
 from .settings import TransFnType, check_fn_type_by_name, builtin_macros
 from functools import wraps
 import inspect
-import os
 
 logger = logging.getLogger(__name__)
 

aliyun/log/etl_core/runner.py

@@ -4,8 +4,8 @@
 import copy
 import inspect
 import logging
-logger = logging.getLogger(__name__)
 from .exceptions import SettingError
+logger = logging.getLogger(__name__)
 
 
 class Runner(object):

aliyun/log/etl_core/settings.py

@@ -22,7 +22,7 @@
            'TRANSFORM_EVENT_']
 
 for key in builtin_macros.keys():
-    globals()[key[:-2]] = "Use this prefix to auto call the function: {}".format(builtin_macros[key])
+    globals()[key[:-2]] = "Use this prefix to auto call the function: {0}".format(builtin_macros[key])
 
 
 class TransFnType(Enum):