diff --git a/pysollib/tk/selecttree.py b/pysollib/tk/selecttree.py
index b720e363..48101f18 100644
--- a/pysollib/tk/selecttree.py
+++ b/pysollib/tk/selecttree.py
@@ -24,20 +24,23 @@
 __all__ = ['SelectDialogTreeData']
 
 # imports
-import tkFont
 
 # Toolkit imports
 from tktree import MfxTreeLeaf, MfxTreeNode, MfxTreeInCanvas
 
-from pysollib.ui.tktile.selecttree import BaseSelectDialogTreeLeaf, BaseSelectDialogTreeNode, SelectDialogTreeData, BaseSelectDialogTreeCanvas
+from pysollib.ui.tktile.selecttree import BaseSelectDialogTreeLeaf, \
+        BaseSelectDialogTreeNode, SelectDialogTreeData, \
+        BaseSelectDialogTreeCanvas
 
 # ************************************************************************
 # * Nodes
 # ************************************************************************
 
+
 class SelectDialogTreeLeaf(MfxTreeLeaf, BaseSelectDialogTreeLeaf):
     pass
 
+
 class SelectDialogTreeNode(MfxTreeNode, BaseSelectDialogTreeNode):
     pass
 
@@ -45,5 +48,6 @@ class SelectDialogTreeNode(MfxTreeNode, BaseSelectDialogTreeNode):
 # * Canvas that shows the tree (left side)
 # ************************************************************************
 
+
 class SelectDialogTreeCanvas(MfxTreeInCanvas, BaseSelectDialogTreeCanvas):
     pass
diff --git a/tests/style/py-flake8.t b/tests/style/py-flake8.t
index 38a4319d..daa036ff 100644
--- a/tests/style/py-flake8.t
+++ b/tests/style/py-flake8.t
@@ -27,7 +27,7 @@ my %skip =
 
 # my $cmd = shell_quote( 'flake8', '.' );
 my $cmd = shell_quote( 'flake8',
-    grep { not exists $skip{$_} } glob('./*.py ./scripts/*.py ./tests/board_gen/*.py ./pysollib/*.py ./pysollib/[cmgpuw]*/{*/*.py,*.py} ./pysollib/tile/*.py ./pysollib/tk/{[a-p],selectcardset,selectgame,selecttile}*.py ./pysollib/ui/tktile/*.py') );
+    grep { not exists $skip{$_} } glob('./*.py ./scripts/*.py ./tests/board_gen/*.py ./pysollib/*.py ./pysollib/[cmgpuw]*/{*/*.py,*.py} ./pysollib/tile/*.py ./pysollib/tk/{[a-p],select}*.py ./pysollib/ui/tktile/*.py') );
 
 # TEST
 eq_or_diff( scalar(`$cmd`), '', "flake8 is happy with the code." );