Merge pull request #959 from dcbaker/submit/fix-958

Replace None passed to comprehensions with identity function

2 files changed, 4 insertions, 4 deletions

diff --git a/alot/buffers.py b/alot/buffers.py
index 9a2672b2..8dcb7352 100644
--- a/alot/buffers.py
+++ b/alot/buffers.py
@@ -63,7 +63,7 @@ class BufferlistBuffer(Buffer):
 
     modename = 'bufferlist'
 
-    def __init__(self, ui, filtfun=None):
+    def __init__(self, ui, filtfun=lambda x: x):
         self.filtfun = filtfun
         self.ui = ui
         self.isinitialized = False
@@ -617,7 +617,7 @@ class TagListBuffer(Buffer):
 
     modename = 'taglist'
 
-    def __init__(self, ui, alltags=None, filtfun=None):
+    def __init__(self, ui, alltags=None, filtfun=lambda x: x):
         self.filtfun = filtfun
         self.ui = ui
         self.tags = alltags or []
diff --git a/alot/commands/globals.py b/alot/commands/globals.py
index 4ce07a88..a9a85cba 100644
--- a/alot/commands/globals.py
+++ b/alot/commands/globals.py
@@ -485,7 +485,7 @@ class BufferFocusCommand(Command):
 class OpenBufferlistCommand(Command):
 
     """open a list of active buffers"""
-    def __init__(self, filtfun=None, **kwargs):
+    def __init__(self, filtfun=lambda x: x, **kwargs):
         """
         :param filtfun: filter to apply to displayed list
         :type filtfun: callable (str->bool)
@@ -508,7 +508,7 @@ class OpenBufferlistCommand(Command):
 class TagListCommand(Command):
 
     """opens taglist buffer"""
-    def __init__(self, filtfun=None, tags=None, **kwargs):
+    def __init__(self, filtfun=lambda x: x, tags=None, **kwargs):
         """
         :param filtfun: filter to apply to displayed list
         :type filtfun: callable (str->bool)