[PR #10770/3cc4f28f backport][stable-9] minor fixes in doc guides (#10778)

minor fixes in doc guides (#10770)

(cherry picked from commit 3cc4f28fd7)

Co-authored-by: Alexei Znamensky <103110+russoz@users.noreply.github.com>

docs/docsite/rst/guide_deps.rst

@@ -22,6 +22,7 @@ The same example from the Developer Guide would become:
 
     from ansible_collections.community.general.plugins.module_utils import deps
 
+
     with deps.declare("foo"):
         import foo
 

docs/docsite/rst/guide_modulehelper.rst

@@ -75,6 +75,7 @@ section above, but there are more elements that will take part in it.
 
     from ansible_collections.community.general.plugins.module_utils.module_helper import ModuleHelper
 
+
     class MyTest(ModuleHelper):
         output_params = ()
         change_params = ()
@@ -256,9 +257,9 @@ With that, MH will automatically generate the diff output for variables that hav
     class MyTest(ModuleHelper):
         diff_params = ('value', )
 
-    def __run__(self):
-        # example from community.general.gio_mime
-        self.vars.set_meta("handler", initial_value=gio_mime_get(self.runner, self.vars.mime_type), diff=True, change=True)
+        def __run__(self):
+            # example from community.general.gio_mime
+            self.vars.set_meta("handler", initial_value=gio_mime_get(self.runner, self.vars.mime_type), diff=True, change=True)
 
 Moreover, if a module is set to return *facts* instead of return values, then again use the metadata ``fact=True`` and ``fact_params`` for module parameters.
 Additionally, you must specify ``facts_name``, as in: