Fix "it's vs. its" typos

Change-Id: Ib7914a7c0b6636599526d05bfb8bc2bcf3a79744
Closes-Bug: #1252838

doc/source/topics/tables.rst

@@ -42,7 +42,7 @@ Connecting a table to a view
 Once you've got your table set up the way you like it, the next step is to
 wire it up to a view. To make this as easy as possible Horizon provides the
 :class:`~horizon.tables.DataTableView` class-based view which can be subclassed
-to display your table with just a couple lines of code. At it's simplest it
+to display your table with just a couple lines of code. At its simplest, it
 looks like this::
 
     from horizon import tables

horizon/tabs/views.py

@@ -137,7 +137,7 @@ class TabbedTableView(tables.MultiTableMixin, TabView):
         return self.handle_tabbed_response(context["tab_group"], context)
 
     def post(self, request, *args, **kwargs):
-        # Direct POST to it's appropriate tab
+        # Direct POST to its appropriate tab
         # Note some table actions like filter do not have an 'action'
         if 'action' in request.POST:
             targetslug = request.POST['action'].split('__')[0]

horizon/test/helpers.py

@@ -40,7 +40,7 @@ try:
     from selenium.webdriver.firefox.webdriver import WebDriver  # noqa
     from selenium.webdriver.support import ui as selenium_ui
 except ImportError as e:
-    # NOTE(saschpe): Several distribution can't ship selenium due to it's
+    # NOTE(saschpe): Several distribution can't ship selenium due to its
     # non-free license. So they have to patch it out of test-requirements.txt
     # Avoid import failure and force not running selenium tests.
     LOG.warning("{0}, force WITH_SELENIUM=False".format(str(e)))

horizon/workflows/base.py

@@ -198,7 +198,7 @@ class MembershipAction(Action):
 
 class Step(object):
     """
-    A step is a wrapper around an action which defines it's context in a
+    A step is a wrapper around an action which defines its context in a
     workflow. It knows about details such as:
 
     * The workflow's context data (data passed from step to step).
@@ -504,7 +504,7 @@ class UpdateMembersStep(Step):
 
 class Workflow(html.HTMLElement):
     """
-    A Workflow is a collection of Steps. It's interface is very
+    A Workflow is a collection of Steps. Its interface is very
     straightforward, but it is responsible for handling some very
     important tasks such as:
 

openstack_dashboard/openstack/common/log.py

@@ -278,7 +278,7 @@ class ContextAdapter(BaseLoggerAdapter):
 
 class JSONFormatter(logging.Formatter):
     def __init__(self, fmt=None, datefmt=None):
-        # NOTE(jkoelker) we ignore the fmt argument, but its still there
+        # NOTE(jkoelker) we ignore the fmt argument, but it's still there
         #                since logging.config.fileConfig passes it.
         self.datefmt = datefmt
 

openstack_dashboard/test/helpers.py

@@ -192,7 +192,7 @@ class TestCase(horizon_helpers.TestCase):
 
     def assertNoFormErrors(self, response, context_name="form"):
         """
-        Asserts that the response either does not contain a form in it's
+        Asserts that the response either does not contain a form in its
         context, or that if it does, that form has no errors.
         """
         context = getattr(response, "context", {})
@@ -205,7 +205,7 @@ class TestCase(horizon_helpers.TestCase):
     def assertFormErrors(self, response, count=0, message=None,
                          context_name="form"):
         """
-        Asserts that the response does contain a form in it's
+        Asserts that the response does contain a form in its
         context, and that form has errors, if count were given,
         it must match the exact numbers of errors
         """