diff --git a/tuskar/openstack/common/context.py b/tuskar/openstack/common/context.py
index 3eeb445e..b612db71 100644
--- a/tuskar/openstack/common/context.py
+++ b/tuskar/openstack/common/context.py
@@ -77,6 +77,21 @@ class RequestContext(object):
                 'instance_uuid': self.instance_uuid,
                 'user_identity': user_idt}
 
+    @classmethod
+    def from_dict(cls, ctx):
+        return cls(
+            auth_token=ctx.get("auth_token"),
+            user=ctx.get("user"),
+            tenant=ctx.get("tenant"),
+            domain=ctx.get("domain"),
+            user_domain=ctx.get("user_domain"),
+            project_domain=ctx.get("project_domain"),
+            is_admin=ctx.get("is_admin", False),
+            read_only=ctx.get("read_only", False),
+            show_deleted=ctx.get("show_deleted", False),
+            request_id=ctx.get("request_id"),
+            instance_uuid=ctx.get("instance_uuid"))
+
 
 def get_admin_context(show_deleted=False):
     context = RequestContext(None,
diff --git a/tuskar/openstack/common/gettextutils.py b/tuskar/openstack/common/gettextutils.py
index f5010435..c056c8db 100644
--- a/tuskar/openstack/common/gettextutils.py
+++ b/tuskar/openstack/common/gettextutils.py
@@ -373,8 +373,8 @@ def get_available_languages(domain):
                'zh_Hant_HK': 'zh_HK',
                'zh_Hant': 'zh_TW',
                'fil': 'tl_PH'}
-    for (locale, alias) in six.iteritems(aliases):
-        if locale in language_list and alias not in language_list:
+    for (locale_, alias) in six.iteritems(aliases):
+        if locale_ in language_list and alias not in language_list:
             language_list.append(alias)
 
     _AVAILABLE_LANGUAGES[domain] = language_list
diff --git a/tuskar/openstack/common/timeutils.py b/tuskar/openstack/common/timeutils.py
index 52688a02..c48da95f 100644
--- a/tuskar/openstack/common/timeutils.py
+++ b/tuskar/openstack/common/timeutils.py
@@ -114,7 +114,7 @@ def utcnow():
 
 
 def iso8601_from_timestamp(timestamp):
-    """Returns a iso8601 formatted date from timestamp."""
+    """Returns an iso8601 formatted date from timestamp."""
     return isotime(datetime.datetime.utcfromtimestamp(timestamp))
 
 
@@ -134,7 +134,7 @@ def set_time_override(override_time=None):
 
 def advance_time_delta(timedelta):
     """Advance overridden time using a datetime.timedelta."""
-    assert(not utcnow.override_time is None)
+    assert utcnow.override_time is not None
     try:
         for dt in utcnow.override_time:
             dt += timedelta