1 files changed, 2 insertions, 2 deletions
diff --git a/Makefile b/Makefile
index 1f5e024..6aa8e08 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 all:
 
 check: all
-	python -m CoverageTestRunner
+	python -m CoverageTestRunner --ignore-missing-from=without-tests
 	rm .coverage
 	
 clean:
-	rm -f .coverage *.pyc *.pyo
+	rm -f .coverage *.py[co] btree/*.py[co]