ansible/errors: PEP8 compliancy (#24693)

- Make PEP8 compliant

lib/ansible/errors/__init__.py

@@ -19,13 +19,15 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
-from ansible.errors.yaml_strings import ( YAML_POSITION_DETAILS,
+from ansible.errors.yaml_strings import (
-        YAML_COMMON_UNQUOTED_VARIABLE_ERROR,
     YAML_COMMON_DICT_ERROR,
-        YAML_COMMON_UNQUOTED_COLON_ERROR,
+    YAML_COMMON_LEADING_TAB_ERROR,
     YAML_COMMON_PARTIALLY_QUOTED_LINE_ERROR,
     YAML_COMMON_UNBALANCED_QUOTES_ERROR,
-        YAML_COMMON_LEADING_TAB_ERROR)
+    YAML_COMMON_UNQUOTED_COLON_ERROR,
+    YAML_COMMON_UNQUOTED_VARIABLE_ERROR,
+    YAML_POSITION_DETAILS,
+)
 from ansible.module_utils._text import to_native, to_text
 
 
@@ -161,53 +163,67 @@ class AnsibleError(Exception):
 
         return error_message
 
+
 class AnsibleOptionsError(AnsibleError):
     ''' bad or incomplete options passed '''
     pass
 
+
 class AnsibleParserError(AnsibleError):
     ''' something was detected early that is wrong about a playbook or data file '''
     pass
 
+
 class AnsibleInternalError(AnsibleError):
     ''' internal safeguards tripped, something happened in the code that should never happen '''
     pass
 
+
 class AnsibleRuntimeError(AnsibleError):
     ''' ansible had a problem while running a playbook '''
     pass
 
+
 class AnsibleModuleError(AnsibleRuntimeError):
     ''' a module failed somehow '''
     pass
 
+
 class AnsibleConnectionFailure(AnsibleRuntimeError):
     ''' the transport / connection_plugin had a fatal error '''
     pass
 
+
 class AnsibleFilterError(AnsibleRuntimeError):
     ''' a templating failure '''
     pass
 
+
 class AnsibleLookupError(AnsibleRuntimeError):
     ''' a lookup failure '''
     pass
 
+
 class AnsibleCallbackError(AnsibleRuntimeError):
     ''' a callback failure '''
     pass
 
+
 class AnsibleUndefinedVariable(AnsibleRuntimeError):
     ''' a templating failure '''
     pass
 
+
 class AnsibleFileNotFound(AnsibleRuntimeError):
     ''' a file missing failure '''
     pass
 
+
 class AnsibleActionSkip(AnsibleRuntimeError):
     ''' an action runtime skip'''
     pass
+
+
 class AnsibleActionFail(AnsibleRuntimeError):
     ''' an action runtime failure'''
     pass

test/sanity/pep8/legacy-files.txt

@@ -18,7 +18,6 @@ lib/ansible/compat/__init__.py
 lib/ansible/compat/selectors/__init__.py
 lib/ansible/compat/tests/__init__.py
 lib/ansible/constants.py
-lib/ansible/errors/__init__.py
 lib/ansible/executor/__init__.py
 lib/ansible/executor/action_write_locks.py
 lib/ansible/executor/module_common.py