diff --git a/changelogs/fragments/misc_fix.yml b/changelogs/fragments/misc_fix.yml
new file mode 100644
index 0000000..66b7eff
--- /dev/null
+++ b/changelogs/fragments/misc_fix.yml
@@ -0,0 +1,2 @@
+minor_changes:
+- fix sanity test for various modules.
diff --git a/plugins/module_utils/firewalld.py b/plugins/module_utils/firewalld.py
index b44e031..7c34db4 100644
--- a/plugins/module_utils/firewalld.py
+++ b/plugins/module_utils/firewalld.py
@@ -3,6 +3,10 @@
 # (c) 2013-2018, Adam Miller (maxamillion@fedoraproject.org)
 # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
 
+from __future__ import absolute_import, division, print_function
+
+__metaclass__ = type
+
 # Imports and info for sanity checking
 from distutils.version import LooseVersion
 
diff --git a/plugins/module_utils/mount.py b/plugins/module_utils/mount.py
index 62feb35..58be0e8 100644
--- a/plugins/module_utils/mount.py
+++ b/plugins/module_utils/mount.py
@@ -48,6 +48,10 @@
 # agrees to be bound by the terms and conditions of this License
 # Agreement.
 
+from __future__ import absolute_import, division, print_function
+
+__metaclass__ = type
+
 import os
 
 
diff --git a/plugins/modules/acl.py b/plugins/modules/acl.py
index 38ff294..9e89157 100644
--- a/plugins/modules/acl.py
+++ b/plugins/modules/acl.py
@@ -28,6 +28,7 @@ options:
     - The C(query) state gets the current ACL without changing it, for use in C(register) operations.
     choices: [ absent, present, query ]
     default: query
+    type: str
   follow:
     description:
     - Whether to follow symlinks on the path if a symlink is encountered.
@@ -42,13 +43,16 @@ options:
   entity:
     description:
     - The actual user or group that the ACL applies to when matching entity types user or group are selected.
+    type: str
   etype:
     description:
     - The entity type of the ACL to apply, see C(setfacl) documentation for more info.
     choices: [ group, mask, other, user ]
+    type: str
   permissions:
     description:
     - The permissions to apply/remove can be any combination of C(r), C(w) and C(x) (read, write and execute respectively)
+    type: str
   entry:
     description:
     - DEPRECATED.
@@ -57,6 +61,7 @@ options:
     - The qualifier may be empty for some types, but the type and perms are always required.
     - C(-) can be used as placeholder when you do not care about permissions.
     - This is now superseded by entity, type and permissions fields.
+    type: str
   recursive:
     description:
     - Recursively sets the specified ACL.
@@ -75,6 +80,7 @@ options:
     - Incompatible with C(state=query).
     choices: [ default, mask, no_mask ]
     default: default
+    type: str
 author:
 - Brian Coca (@bcoca)
 - Jérémie Astori (@astorije)
diff --git a/plugins/modules/at.py b/plugins/modules/at.py
index 4cbe0c7..b29b35e 100644
--- a/plugins/modules/at.py
+++ b/plugins/modules/at.py
@@ -8,7 +8,7 @@ from __future__ import absolute_import, division, print_function
 __metaclass__ = type
 
 
-DOCUMENTATION = '''
+DOCUMENTATION = r'''
 ---
 module: at
 short_description: Schedule the execution of a command or script file via the at command
@@ -29,12 +29,10 @@ options:
     description:
      - The count of units in the future to execute the command or script file.
     type: int
-    required: true
   units:
     description:
      - The type of units in the future to execute the command or script file.
     type: str
-    required: true
     choices: [ minutes, hours, days, weeks ]
   state:
     description:
diff --git a/plugins/modules/authorized_key.py b/plugins/modules/authorized_key.py
index 5f7b4b7..d860822 100644
--- a/plugins/modules/authorized_key.py
+++ b/plugins/modules/authorized_key.py
@@ -50,6 +50,7 @@ options:
   key_options:
     description:
       - A string of ssh key options to be prepended to the key in the authorized_keys file.
+    type: str
   exclusive:
     description:
       - Whether to remove all other non-specified keys from the authorized_keys file.
diff --git a/plugins/modules/seboolean.py b/plugins/modules/seboolean.py
index 57889e9..ef1b8c6 100644
--- a/plugins/modules/seboolean.py
+++ b/plugins/modules/seboolean.py
@@ -7,7 +7,7 @@ from __future__ import absolute_import, division, print_function
 __metaclass__ = type
 
 
-DOCUMENTATION = '''
+DOCUMENTATION = r'''
 ---
 module: seboolean
 short_description: Toggles SELinux booleans
@@ -19,6 +19,7 @@ options:
     description:
       - Name of the boolean to configure.
     required: true
+    type: str
   persistent:
     description:
       - Set to C(yes) if the boolean setting should survive a reboot.
diff --git a/plugins/modules/selinux.py b/plugins/modules/selinux.py
index e32892d..a22c282 100644
--- a/plugins/modules/selinux.py
+++ b/plugins/modules/selinux.py
@@ -20,17 +20,20 @@ version_added: "1.0.0"
 options:
   policy:
     description:
-      - The name of the SELinux policy to use (e.g. C(targeted)) will be required if state is not C(disabled).
+      - The name of the SELinux policy to use (e.g. C(targeted)) will be required if I(state) is not C(disabled).
+    type: str
   state:
     description:
       - The SELinux mode.
     required: true
     choices: [ disabled, enforcing, permissive ]
+    type: str
   configfile:
     description:
       - The path to the SELinux configuration file, if non-standard.
     default: /etc/selinux/config
     aliases: [ conf, file ]
+    type: str
 requirements: [ libselinux-python ]
 author:
 - Derek Carter (@goozbach) <goozbach@friocorte.com>
@@ -178,7 +181,7 @@ def main():
     module = AnsibleModule(
         argument_spec=dict(
             policy=dict(type='str'),
-            state=dict(type='str', required='True', choices=['enforcing', 'permissive', 'disabled']),
+            state=dict(type='str', required=True, choices=['enforcing', 'permissive', 'disabled']),
             configfile=dict(type='str', default='/etc/selinux/config', aliases=['conf', 'file']),
         ),
         supports_check_mode=True,
diff --git a/plugins/modules/synchronize.py b/plugins/modules/synchronize.py
index 6702cc3..8713a77 100644
--- a/plugins/modules/synchronize.py
+++ b/plugins/modules/synchronize.py
@@ -147,6 +147,7 @@ options:
       - Note that an empty string in C(rsync_opts) will end up transfer the current working directory.
     type: list
     default:
+    elements: str
   partial:
     description:
       - Tells rsync to keep the partial file which should make a subsequent transfer of the rest of the file much faster.
@@ -166,6 +167,8 @@ options:
       - Add a destination to hard link against during the rsync.
     type: list
     default:
+    elements: str
+
 notes:
    - rsync must be installed on both the local and remote host.
    - For the C(synchronize) module, the "local host" is the host `the synchronize task originates on`, and the "destination host" is the host
@@ -390,12 +393,12 @@ def main():
             group=dict(type='bool'),
             set_remote_user=dict(type='bool', default=True),
             rsync_timeout=dict(type='int', default=0),
-            rsync_opts=dict(type='list', default=[]),
+            rsync_opts=dict(type='list', default=[], elements='str'),
             ssh_args=dict(type='str'),
             partial=dict(type='bool', default=False),
             verify_host=dict(type='bool', default=False),
             mode=dict(type='str', default='push', choices=['pull', 'push']),
-            link_dest=dict(type='list')
+            link_dest=dict(type='list', elements='str'),
         ),
         supports_check_mode=True,
     )
diff --git a/plugins/modules/sysctl.py b/plugins/modules/sysctl.py
index 1654ec6..b82b2e4 100644
--- a/plugins/modules/sysctl.py
+++ b/plugins/modules/sysctl.py
@@ -9,7 +9,7 @@ from __future__ import absolute_import, division, print_function
 __metaclass__ = type
 
 
-DOCUMENTATION = '''
+DOCUMENTATION = r'''
 ---
 module: sysctl
 short_description: Manage entries in sysctl.conf.
@@ -19,18 +19,21 @@ version_added: "1.0.0"
 options:
     name:
         description:
-            - The dot-separated path (aka I(key)) specifying the sysctl variable.
+            - The dot-separated path (also known as I(key)) specifying the sysctl variable.
         required: true
         aliases: [ 'key' ]
+        type: str
     value:
         description:
             - Desired value of the sysctl key.
         aliases: [ 'val' ]
+        type: str
     state:
         description:
             - Whether the entry should be present or absent in the sysctl file.
         choices: [ "present", "absent" ]
         default: present
+        type: str
     ignoreerrors:
         description:
             - Use this option to ignore errors about unknown keys.
@@ -47,12 +50,14 @@ options:
         description:
             - Specifies the absolute path to C(sysctl.conf), if not C(/etc/sysctl.conf).
         default: /etc/sysctl.conf
+        type: path
     sysctl_set:
         description:
             - Verify token value with the sysctl command and set with -w if necessary
         type: bool
         default: 'no'
-author: "David CHANIAL (@davixx) <david.chanial@gmail.com>"
+author:
+- David CHANIAL (@davixx)
 '''
 
 EXAMPLES = r'''
diff --git a/tests/integration/targets/selinux/tasks/selinux.yml b/tests/integration/targets/selinux/tasks/selinux.yml
index 6771f32..a262f8b 100644
--- a/tests/integration/targets/selinux/tasks/selinux.yml
+++ b/tests/integration/targets/selinux/tasks/selinux.yml
@@ -48,9 +48,17 @@
     var: _disable_test1
     verbosity: 1
 
+- name: Before gathering the fact
+  debug:
+    msg: "{{ ansible_selinux }}"
+
 - name: TEST 1 | Re-gather facts
   setup:
 
+- name: After gathering the fact
+  debug:
+    msg: "{{ ansible_selinux }}"
+
 - name: TEST 1 | Assert that status was changed, reboot_required is True, a warning was displayed, and SELinux is configured properly
   assert:
     that:
@@ -74,7 +82,7 @@
     var: _disable_test2
     verbosity: 1
 
-- name: TEST 1 | Assert that no change is reported, a warnking was dispalyed, and reboot_required is True
+- name: TEST 1 | Assert that no change is reported, a warning was displayed, and reboot_required is True
   assert:
     that:
       - _disable_test2 is not changed
@@ -147,7 +155,7 @@
     var: _state_test2
     verbosity: 1
 
-- name: TEST 2 | Assert that no change was reported, no warnings were dispalyed, and reboot_required is False
+- name: TEST 2 | Assert that no change was reported, no warnings were displayed, and reboot_required is False
   assert:
     that:
       - _state_test2 is not changed
@@ -380,7 +388,7 @@
     var: _lineinfile_out1
     verbosity: 1
 
-- name: TEST 5 | Set SELinux to enforcing 
+- name: TEST 5 | Set SELinux to enforcing
   selinux:
     state: enforcing
     policy: targeted
diff --git a/tests/sanity/ignore-2.10.txt b/tests/sanity/ignore-2.10.txt
index f86017d..013403f 100644
--- a/tests/sanity/ignore-2.10.txt
+++ b/tests/sanity/ignore-2.10.txt
@@ -1,33 +1,8 @@
-plugins/module_utils/firewalld.py future-import-boilerplate
-plugins/module_utils/firewalld.py metaclass-boilerplate
-plugins/module_utils/mount.py future-import-boilerplate
-plugins/module_utils/mount.py metaclass-boilerplate
-plugins/modules/acl.py validate-modules:parameter-type-not-in-doc
 plugins/modules/synchronize.py pylint:blacklisted-name
 plugins/modules/synchronize.py use-argspec-type-path
 plugins/modules/synchronize.py validate-modules:doc-default-does-not-match-spec
 plugins/modules/synchronize.py validate-modules:nonexistent-parameter-documented
-plugins/modules/synchronize.py validate-modules:parameter-list-no-elements
 plugins/modules/synchronize.py validate-modules:parameter-type-not-in-doc
 plugins/modules/synchronize.py validate-modules:undocumented-parameter
-plugins/modules/at.py validate-modules:doc-required-mismatch
-plugins/modules/authorized_key.py validate-modules:parameter-type-not-in-doc
-plugins/modules/seboolean.py validate-modules:parameter-type-not-in-doc
-plugins/modules/selinux.py validate-modules:invalid-ansiblemodule-schema
-plugins/modules/selinux.py validate-modules:parameter-type-not-in-doc
-plugins/modules/sysctl.py validate-modules:doc-missing-type
-plugins/modules/sysctl.py validate-modules:parameter-type-not-in-doc
-tests/unit/mock/path.py future-import-boilerplate
-tests/unit/mock/path.py metaclass-boilerplate
-tests/unit/mock/yaml_helper.py future-import-boilerplate
-tests/unit/mock/yaml_helper.py metaclass-boilerplate
-tests/unit/modules/conftest.py future-import-boilerplate
-tests/unit/modules/conftest.py metaclass-boilerplate
-tests/unit/modules/system/test_mount.py future-import-boilerplate
-tests/unit/modules/system/test_mount.py metaclass-boilerplate
-tests/unit/modules/utils.py future-import-boilerplate
-tests/unit/modules/utils.py metaclass-boilerplate
-tests/unit/plugins/action/test_synchronize.py future-import-boilerplate
-tests/unit/plugins/action/test_synchronize.py metaclass-boilerplate
 tests/utils/shippable/check_matrix.py replace-urlopen
 tests/utils/shippable/timing.py shebang
diff --git a/tests/sanity/ignore-2.11.txt b/tests/sanity/ignore-2.11.txt
index f86017d..013403f 100644
--- a/tests/sanity/ignore-2.11.txt
+++ b/tests/sanity/ignore-2.11.txt
@@ -1,33 +1,8 @@
-plugins/module_utils/firewalld.py future-import-boilerplate
-plugins/module_utils/firewalld.py metaclass-boilerplate
-plugins/module_utils/mount.py future-import-boilerplate
-plugins/module_utils/mount.py metaclass-boilerplate
-plugins/modules/acl.py validate-modules:parameter-type-not-in-doc
 plugins/modules/synchronize.py pylint:blacklisted-name
 plugins/modules/synchronize.py use-argspec-type-path
 plugins/modules/synchronize.py validate-modules:doc-default-does-not-match-spec
 plugins/modules/synchronize.py validate-modules:nonexistent-parameter-documented
-plugins/modules/synchronize.py validate-modules:parameter-list-no-elements
 plugins/modules/synchronize.py validate-modules:parameter-type-not-in-doc
 plugins/modules/synchronize.py validate-modules:undocumented-parameter
-plugins/modules/at.py validate-modules:doc-required-mismatch
-plugins/modules/authorized_key.py validate-modules:parameter-type-not-in-doc
-plugins/modules/seboolean.py validate-modules:parameter-type-not-in-doc
-plugins/modules/selinux.py validate-modules:invalid-ansiblemodule-schema
-plugins/modules/selinux.py validate-modules:parameter-type-not-in-doc
-plugins/modules/sysctl.py validate-modules:doc-missing-type
-plugins/modules/sysctl.py validate-modules:parameter-type-not-in-doc
-tests/unit/mock/path.py future-import-boilerplate
-tests/unit/mock/path.py metaclass-boilerplate
-tests/unit/mock/yaml_helper.py future-import-boilerplate
-tests/unit/mock/yaml_helper.py metaclass-boilerplate
-tests/unit/modules/conftest.py future-import-boilerplate
-tests/unit/modules/conftest.py metaclass-boilerplate
-tests/unit/modules/system/test_mount.py future-import-boilerplate
-tests/unit/modules/system/test_mount.py metaclass-boilerplate
-tests/unit/modules/utils.py future-import-boilerplate
-tests/unit/modules/utils.py metaclass-boilerplate
-tests/unit/plugins/action/test_synchronize.py future-import-boilerplate
-tests/unit/plugins/action/test_synchronize.py metaclass-boilerplate
 tests/utils/shippable/check_matrix.py replace-urlopen
 tests/utils/shippable/timing.py shebang
diff --git a/tests/sanity/ignore-2.9.txt b/tests/sanity/ignore-2.9.txt
index eba078e..013403f 100644
--- a/tests/sanity/ignore-2.9.txt
+++ b/tests/sanity/ignore-2.9.txt
@@ -1,30 +1,8 @@
-plugins/module_utils/firewalld.py future-import-boilerplate
-plugins/module_utils/firewalld.py metaclass-boilerplate
-plugins/module_utils/mount.py future-import-boilerplate
-plugins/module_utils/mount.py metaclass-boilerplate
-plugins/modules/acl.py validate-modules:parameter-type-not-in-doc
 plugins/modules/synchronize.py pylint:blacklisted-name
 plugins/modules/synchronize.py use-argspec-type-path
 plugins/modules/synchronize.py validate-modules:doc-default-does-not-match-spec
 plugins/modules/synchronize.py validate-modules:nonexistent-parameter-documented
 plugins/modules/synchronize.py validate-modules:parameter-type-not-in-doc
 plugins/modules/synchronize.py validate-modules:undocumented-parameter
-plugins/modules/authorized_key.py validate-modules:parameter-type-not-in-doc
-plugins/modules/seboolean.py validate-modules:parameter-type-not-in-doc
-plugins/modules/selinux.py validate-modules:parameter-type-not-in-doc
-plugins/modules/sysctl.py validate-modules:doc-missing-type
-plugins/modules/sysctl.py validate-modules:parameter-type-not-in-doc
-tests/unit/mock/path.py future-import-boilerplate
-tests/unit/mock/path.py metaclass-boilerplate
-tests/unit/mock/yaml_helper.py future-import-boilerplate
-tests/unit/mock/yaml_helper.py metaclass-boilerplate
-tests/unit/modules/conftest.py future-import-boilerplate
-tests/unit/modules/conftest.py metaclass-boilerplate
-tests/unit/modules/system/test_mount.py future-import-boilerplate
-tests/unit/modules/system/test_mount.py metaclass-boilerplate
-tests/unit/modules/utils.py future-import-boilerplate
-tests/unit/modules/utils.py metaclass-boilerplate
-tests/unit/plugins/action/test_synchronize.py future-import-boilerplate
-tests/unit/plugins/action/test_synchronize.py metaclass-boilerplate
 tests/utils/shippable/check_matrix.py replace-urlopen
 tests/utils/shippable/timing.py shebang
diff --git a/tests/unit/mock/path.py b/tests/unit/mock/path.py
index d128b5f..1553008 100644
--- a/tests/unit/mock/path.py
+++ b/tests/unit/mock/path.py
@@ -1,3 +1,7 @@
+from __future__ import absolute_import, division, print_function
+
+__metaclass__ = type
+
 from ansible_collections.ansible.posix.tests.unit.compat.mock import MagicMock
 from ansible.utils.path import unfrackpath
 
diff --git a/tests/unit/mock/yaml_helper.py b/tests/unit/mock/yaml_helper.py
index cc095fe..a4c2d6d 100644
--- a/tests/unit/mock/yaml_helper.py
+++ b/tests/unit/mock/yaml_helper.py
@@ -1,3 +1,7 @@
+from __future__ import absolute_import, division, print_function
+
+__metaclass__ = type
+
 import io
 import yaml
 
diff --git a/tests/unit/modules/conftest.py b/tests/unit/modules/conftest.py
index 3bbfe0b..6eb5883 100644
--- a/tests/unit/modules/conftest.py
+++ b/tests/unit/modules/conftest.py
@@ -1,6 +1,10 @@
 # Copyright (c) 2017 Ansible Project
 # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
 
+from __future__ import absolute_import, division, print_function
+
+__metaclass__ = type
+
 import json
 
 import pytest
diff --git a/tests/unit/modules/system/test_mount.py b/tests/unit/modules/system/test_mount.py
index 893a651..73086cc 100644
--- a/tests/unit/modules/system/test_mount.py
+++ b/tests/unit/modules/system/test_mount.py
@@ -1,3 +1,7 @@
+from __future__ import absolute_import, division, print_function
+
+__metaclass__ = type
+
 import os
 import tempfile
 
diff --git a/tests/unit/modules/utils.py b/tests/unit/modules/utils.py
index 322a472..342d528 100644
--- a/tests/unit/modules/utils.py
+++ b/tests/unit/modules/utils.py
@@ -1,3 +1,7 @@
+from __future__ import absolute_import, division, print_function
+
+__metaclass__ = type
+
 import json
 
 from ansible_collections.ansible.posix.tests.unit.compat import unittest
diff --git a/tests/unit/plugins/action/test_synchronize.py b/tests/unit/plugins/action/test_synchronize.py
index f8f5f8a..39d9697 100644
--- a/tests/unit/plugins/action/test_synchronize.py
+++ b/tests/unit/plugins/action/test_synchronize.py
@@ -1,3 +1,7 @@
+from __future__ import absolute_import, division, print_function
+
+__metaclass__ = type
+
 '''
 (Epdb) pprint(DeepDiff(self.final_task_vars, out_task_vars), indent=2)
 { 'dic_item_added': set([u"root['ansible_python_interpreter']"]),