diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..0d20b64
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*.pyc
diff --git a/CoverageTestRunner.py b/CoverageTestRunner.py
index a63b9c2..a69c0d2 100644
--- a/CoverageTestRunner.py
+++ b/CoverageTestRunner.py
@@ -23,6 +23,7 @@
 import sys
 import time
 import logging
+import operator
 
 
 __version__ = '1.11'
@@ -258,11 +259,12 @@ def run(self):
         if result.missing_test_modules:
             print(len(result.missing_test_modules), "missing test modules")
 
-        maxtime = int(os.environ.get('COVERAGE_TEST_RUNNER_MAX_TIME', '10'))
+        maxtime = float(os.environ.get('COVERAGE_TEST_RUNNER_MAX_TIME', '10'))
         if end_time - start_time > maxtime:
             print()
             print("Slowest tests:")
-            for secs, test in sorted(result.timings)[-10:]:
+            timings = sorted(result.timings, key=operator.itemgetter(0))
+            for secs, test in timings[-10:]:
                 print("  %5.1f s %s" % (secs, str(test)[:70]))
 
         print("Time: %.1f s" % (end_time - start_time))
diff --git a/subdir/foo.py b/subdir/foo.py
index 51a5dde..7a23f0f 100644
--- a/subdir/foo.py
+++ b/subdir/foo.py
@@ -13,4 +13,8 @@ def foo(self, a):
             time.sleep(0)
             return False
 
+    def slow(self, seconds):
+        import time
+        time.sleep(seconds)
+
 foo = Foo()
diff --git a/subdir/foo_tests.py b/subdir/foo_tests.py
index a8a9740..cdc83bd 100644
--- a/subdir/foo_tests.py
+++ b/subdir/foo_tests.py
@@ -1,11 +1,19 @@
-import unittest, foo
+import unittest
+import foo
+
 
 class FooTests(unittest.TestCase):
 
     def testTrue(self):
         f = foo.Foo()
         self.failUnlessEqual(f.foo(True), True)
-    
+
     def testFalse(self):
         f = foo.Foo()
         self.failUnlessEqual(f.foo(False), False)
+
+
+class SlowTests(unittest.TestCase):
+
+    def testSlow(self):
+        foo.Foo().slow(0.11)
diff --git a/testrun b/testrun
index bf89868..2356af5 100755
--- a/testrun
+++ b/testrun
@@ -2,4 +2,6 @@
 
 set -e
 
+export COVERAGE_TEST_RUNNER_MAX_TIME=0.1
+
 python CoverageTestRunner.py subdir --ignore-missing-from=test-excluded