diff --git a/tablib/formats/_csv.py b/tablib/formats/_csv.py
index 8174501..46a26d5 100644
--- a/tablib/formats/_csv.py
+++ b/tablib/formats/_csv.py
@@ -3,7 +3,13 @@
 """ Tablib - CSV Support.
 """
 
-import io
+import sys
+if sys.version_info.major > 2:
+    from io import StringIO
+else:
+    from cStringIO import StringIO
+
+
 import csv
 import os
 
@@ -17,7 +23,7 @@ extentions = ('csv',)
 
 def export_set(dataset):
     """Returns CSV representation of Dataset."""
-    stream = io.StringIO()
+    stream = StringIO()
     _csv = csv.writer(stream)
 
     for row in dataset._package(dicts=False):
diff --git a/tablib/formats/_html.py b/tablib/formats/_html.py
index bfa3b5c..64be2af 100644
--- a/tablib/formats/_html.py
+++ b/tablib/formats/_html.py
@@ -4,12 +4,13 @@
 """
 
 import sys
-from io import StringIO
 
 
 if sys.version_info.major > 2:
+    from io import StringIO
     from tablib.packages import markup3 as markup
 else:
+    from cStringIO import StringIO
     from tablib.packages import markup
 
 import tablib
diff --git a/tablib/formats/_tsv.py b/tablib/formats/_tsv.py
index 708c4b9..ab10d32 100644
--- a/tablib/formats/_tsv.py
+++ b/tablib/formats/_tsv.py
@@ -3,7 +3,12 @@
 """ Tablib - TSV (Tab Separated Values) Support.
 """
 
-import io
+import sys
+if sys.version_info.major > 2:
+    from io import StringIO
+else:
+    from cStringIO import StringIO
+    
 import csv
 import os
 
@@ -17,7 +22,7 @@ extentions = ('tsv',)
 
 def export_set(dataset):
     """Returns a TSV representation of Dataset."""
-    stream = io.StringIO()
+    stream = StringIO()
     _tsv = csv.writer(stream, delimiter='\t')
 
     for row in dataset._package(dicts=False):