2 files changed, 2 insertions, 2 deletions
diff --git a/coverage/plugin.py b/coverage/plugin.py
index 4839529..aa2d208 100644
--- a/coverage/plugin.py
+++ b/coverage/plugin.py
@@ -180,7 +180,7 @@ class FileReporter(object):
         _needs_to_implement(self, "statements")
 
     def excluded_lines(self):
-        return set([])
+        return set()
 
     def translate_lines(self, lines):
         return set(lines)
diff --git a/igor.py b/igor.py
index b81692d..8d6ff1f 100644
--- a/igor.py
+++ b/igor.py
@@ -221,7 +221,7 @@ def do_check_eol():
         '*.egg-info',
         '_build',
         ]
-    checked = set([])
+    checked = set()
 
     def check_file(fname, crlf=True, trail_white=True):
         """Check a single file for whitespace abuse."""