linting W0201 and W0221

we are going to ignore W0201 and W0221 around the TransmitterEntry save function. Reasons are in the code comments.

Signed-off-by: Corey Shields <cshields@gmail.com>

.pylintrc

@@ -17,8 +17,6 @@ disable=
     R0914,
     R0915,
     R1705,
-    W0201,
-    W0221,
     W0223,
     W0511,
     W0612,

db/base/models.py

@@ -192,8 +192,11 @@ class TransmitterEntry(models.Model):
     def __str__(self):
         return self.description
 
-    def save(self, *args, **kwargs):
-        self.id = None  # pylint: disable=C0103
+    # see https://github.com/PyCQA/pylint-django/issues/94 for why W0221
+    def save(self, *args, **kwargs): # pylint: disable=W0221
+        # this assignment is needed to preserve changes made to a Transmitter
+        # through the admin UI
+        self.id = None  # pylint: disable=C0103, W0201
         super(TransmitterEntry, self).save()