Minor typo and PEP8 fixes for dnf module (#23845)

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>

lib/ansible/modules/packaging/os/dnf.py

@@ -288,7 +288,7 @@ def _mark_package_install(module, base, pkg_spec):
     try:
         base.install(pkg_spec)
     except dnf.exceptions.MarkingError:
-        module.fail_json(msg="No package {} available.".format(pkg_spec))
+        module.fail_json(msg="No package {0} available.".format(pkg_spec))
 
 
 def _parse_spec_group_file(names):
@@ -340,7 +340,7 @@ def ensure(module, base, state, names):
                     environments.append(environment.id)
                 else:
                     module.fail_json(
-                        msg="No group {} available.".format(group_spec))
+                        msg="No group {0} available.".format(group_spec))
 
         if state in ['installed', 'present']:
             # Install files.
@@ -409,7 +409,7 @@ def ensure(module, base, state, names):
                     # Group is already uninstalled.
                     pass
 
-            for envioronment in environments:
+            for environment in environments:
                 try:
                     base.environment_remove(environment)
                 except dnf.exceptions.CompsError:
@@ -427,13 +427,15 @@ def ensure(module, base, state, names):
 
     if not base.resolve(allow_erasing=allow_erasing):
         if failures:
-            module.fail_json(msg='Failed to install some of the specified packages',
+            module.fail_json(msg='Failed to install some of the '
+                                 'specified packages',
                              failures=failures)
         module.exit_json(msg="Nothing to do")
     else:
         if module.check_mode:
             if failures:
-                module.fail_json(msg='Failed to install some of the specified packages',
+                module.fail_json(msg='Failed to install some of the '
+                                     'specified packages',
                                  failures=failures)
             module.exit_json(changed=True)
 
@@ -446,7 +448,8 @@ def ensure(module, base, state, names):
             response['results'].append("Removed: {0}".format(package))
 
         if failures:
-            module.fail_json(msg='Failed to install some of the specified packages',
+            module.fail_json(msg='Failed to install some of the '
+                                 'specified packages',
                              failures=failures)
         module.exit_json(**response)
 

test/sanity/pep8/legacy-files.txt

@@ -659,7 +659,6 @@ lib/ansible/modules/packaging/os/apt.py
 lib/ansible/modules/packaging/os/apt_key.py
 lib/ansible/modules/packaging/os/apt_repository.py
 lib/ansible/modules/packaging/os/apt_rpm.py
-lib/ansible/modules/packaging/os/dnf.py
 lib/ansible/modules/packaging/os/dpkg_selections.py
 lib/ansible/modules/packaging/os/homebrew.py
 lib/ansible/modules/packaging/os/homebrew_cask.py