diff --git a/pysnooper/__init__.py b/pysnooper/__init__.py
index 3e646e1..749599d 100644
--- a/pysnooper/__init__.py
+++ b/pysnooper/__init__.py
@@ -24,7 +24,7 @@ import collections
 __VersionInfo = collections.namedtuple('VersionInfo',
                                        ('major', 'minor', 'micro'))
 
-__version__ = '0.0.37'
+__version__ = '0.0.38'
 __version_info__ = __VersionInfo(*(map(int, __version__.split('.'))))
 
 del collections, __VersionInfo # Avoid polluting the namespace
diff --git a/pysnooper/pycompat.py b/pysnooper/pycompat.py
index a4cacbd..63dd3db 100644
--- a/pysnooper/pycompat.py
+++ b/pysnooper/pycompat.py
@@ -7,6 +7,8 @@ import os
 import inspect
 import sys
 
+PY3 = (sys.version_info[0] == 3)
+
 if hasattr(abc, 'ABC'):
     ABC = abc.ABC
 else:
@@ -44,11 +46,10 @@ try:
 except AttributeError:
     iscoroutinefunction = lambda whatever: False # Lolz
 
-PY3 = sys.version_info[0] == 3
 
 if PY3:
-    string_types = str,
+    string_types = (str,)
     text_type = str
 else:
-    string_types = basestring,
+    string_types = (basestring,)
     text_type = unicode