TST: use BytesIO with encoded text for python3

Author: wesm

RELEASE.rst

@@ -25,7 +25,7 @@ Where to get it
 pandas 0.7.0
 ============
 
-**Release date:** 2/8/2012
+**Release date:** NOT YET RELEASED
 
 **New features / modules**
 

pandas/io/tests/test_parsers.py

@@ -1,3 +1,9 @@
+try:
+    from io import BytesIO
+except ImportError:  # pragma: no cover
+    # Python < 2.6
+    from cStringIO import StringIO as BytesIO
+
 from cStringIO import StringIO
 from datetime import datetime
 import csv
@@ -304,7 +310,7 @@ def test_sniff_delimiter(self):
 bar|4|5|6
 baz|7|8|9
 """.encode('utf-8')
-        data4 = read_csv(StringIO(text), index_col=0, sep=None, skiprows=2,
+        data4 = read_csv(BytesIO(text), index_col=0, sep=None, skiprows=2,
                          encoding='utf-8')
         assert_frame_equal(data, data4)