diff --git a/eris/gut.py b/eris/gut.py
index 5ab259d..2b8c78f 100755
--- a/eris/gut.py
+++ b/eris/gut.py
@@ -37,12 +37,12 @@ def _indentation_of_line(line):
 
 
 def _is_start_line_of_signature(line):
-    return re.match("^\s*(async)?\s*def\s", line) is not None
+    return re.match(r"^\s*(async)?\s*def\s", line) is not None
 
 
 def _is_end_line_of_signature(line):
-    return (re.match(".*\):\s*\n$", line) is not None or
-            re.match(".*\):\s*#.*\n$", line) is not None)
+    return (re.match(r".*\):\s*\n$", line) is not None or
+            re.match(r".*\):\s*#.*\n$", line) is not None)
 
 
 def gut_module(module_contents):
diff --git a/tests/__main___test.py b/tests/__main___test.py
index bf3e81a..c994e79 100755
--- a/tests/__main___test.py
+++ b/tests/__main___test.py
@@ -238,7 +238,7 @@ class MainTestCase(unittest.TestCase):
             second_dir = os.path.join(temp_dir, "second")
             os.rename(first_dir, second_dir)
             test_run(second_dir, loop)
-            loop.close()
+            loop.stop()
         finally:
             shutil.rmtree(temp_dir)
 
diff --git a/tests/tools_test.py b/tests/tools_test.py
index bbc8f52..67fd5f0 100755
--- a/tests/tools_test.py
+++ b/tests/tools_test.py
@@ -124,7 +124,7 @@ class ToolsTestCase(unittest.TestCase):
     def test_python_modulefinder(self):
         self._test_tool(tools.python_modulefinder, self.HI_NORMAL)
 
-    def test_python_mccable(self):
+    def test_python_mccabe(self):
         self._test_tool(tools.python_mccabe, self.HI_OK)
 
     # FIX: Make the golden-file deterministic