diff --git a/core/models/event.py b/core/models/event.py
index 3cf5eabb5..0a98b2619 100644
--- a/core/models/event.py
+++ b/core/models/event.py
@@ -115,9 +115,7 @@ def ical_uid(self):
     def date_is_approximate(self):
         if not self.date:
             return True
-        if not all((self.date.year, self.date.month, self.date.day)):
-            return True
-        return False
+        return not all((self.date.year, self.date.month, self.date.day))
 
     @property
     def lnglat(self):
diff --git a/djangogirls/utils/sanitize.py b/djangogirls/utils/sanitize.py
index 109629de7..ad6562116 100644
--- a/djangogirls/utils/sanitize.py
+++ b/djangogirls/utils/sanitize.py
@@ -11,9 +11,9 @@ def sanitize(value, output_type):
     """
     # pylint: disable=no-else-return
 
-    if output_type == bool:
+    if output_type is bool:
         return sanitize_bool(value)
-    elif output_type == int:
+    elif output_type is int:
         return sanitize_int(value)
     # pylint: enable=no-else-return
     # unrecognised/unsupported output_type. just return what we got..