rename parameter of Command.apply method

.. from "caller" to "ui", as used throughout all subclasses.
The inconsistent naming causes the codacity code checker (pylint) to
complain every time we add a new command subclass.

1 files changed, 1 insertions, 1 deletions

diff --git a/alot/commands/__init__.py b/alot/commands/__init__.py
index bcd27c07..0887a76a 100644
--- a/alot/commands/__init__.py
+++ b/alot/commands/__init__.py
@@ -24,7 +24,7 @@ class Command(object):
         self.undoable = False
         self.help = self.__doc__
 
-    def apply(self, caller):
+    def apply(self, ui):
         """code that gets executed when this command is applied"""
         pass