plugins (become, callback, filter): style adjustments (#9535)

* plugins (become, callback, filter, inventory): style adjustments

* remove inventory plugins from PR

* adjustments from review

* typo

plugins/filter/accumulate.py

@@ -2,43 +2,44 @@
 # GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-DOCUMENTATION = '''
-  name: accumulate
-  short_description: Produce a list of accumulated sums of the input list contents
-  version_added: 10.1.0
-  author: Max Gautier (@VannTen)
-  description:
-    - Passthrough to the L(Python itertools.accumulate function,https://docs.python.org/3/library/itertools.html#itertools.accumulate).
-    - Transforms an input list into the cumulative list of results from applying addition to the elements of the input list.
-    - Addition means the default Python implementation of C(+) for input list elements type.
-  options:
-    _input:
-      description: A list.
-      type: list
-      elements: any
-      required: true
-'''
-
-RETURN = '''
-  _value:
-    description: A list of cumulated sums of the elements of the input list.
+DOCUMENTATION = r"""
+name: accumulate
+short_description: Produce a list of accumulated sums of the input list contents
+version_added: 10.1.0
+author: Max Gautier (@VannTen)
+description:
+  - Passthrough to the L(Python itertools.accumulate function,https://docs.python.org/3/library/itertools.html#itertools.accumulate).
+  - Transforms an input list into the cumulative list of results from applying addition to the elements of the input list.
+  - Addition means the default Python implementation of C(+) for input list elements type.
+options:
+  _input:
+    description: A list.
     type: list
     elements: any
-'''
+    required: true
+"""
 
-EXAMPLES = '''
+RETURN = r"""
+_value:
+  description: A list of cumulated sums of the elements of the input list.
+  type: list
+  elements: any
+"""
+
+EXAMPLES = r"""
 - name: Enumerate parent directories of some path
   ansible.builtin.debug:
     var: >
-       "/some/path/to/my/file"
-       | split('/') | map('split', '/')
-       | community.general.accumulate | map('join', '/')
+      "/some/path/to/my/file"
+      | split('/') | map('split', '/')
+      | community.general.accumulate | map('join', '/')
     # Produces: ['', '/some', '/some/path', '/some/path/to', '/some/path/to/my', '/some/path/to/my/file']
+
 - name: Growing string
   ansible.builtin.debug:
     var: "'abc' | community.general.accumulate"
     # Produces ['a', 'ab', 'abc']
-'''
+"""
 
 from itertools import accumulate
 from collections.abc import Sequence