update dependencies on pyexcel-io due to its code refactoring

README.rst

@@ -58,7 +58,7 @@ Write to an xls file
     ...     from StringIO import StringIO
     ... else:
     ...     from io import BytesIO as StringIO
-    >>> from pyexcel_io import OrderedDict
+    >>> from pyexcel_io._compact import OrderedDict
 
 
 Here's the sample code to write a dictionary to an xls file:

tests/base.py

@@ -1,5 +1,5 @@
-import pyexcel
 import os
+import pyexcel
 
 
 def create_sample_file1(file):

tests/test_bug_fixes.py

@@ -6,8 +6,8 @@
 
 import os
 import pyexcel as pe
-import pyexcel.ext.xls as xls
-from pyexcel_io import OrderedDict
+from pyexcel.ext import xls
+from _compact import OrderedDict
 import datetime
 
 

tests/test_mutliple_sheets.py

@@ -1,8 +1,8 @@
-from base import PyexcelMultipleSheetBase
-import pyexcel
 import os
-from nose.tools import raises
 import sys
+import pyexcel
+from nose.tools import raises
+from base import PyexcelMultipleSheetBase
 
 if sys.version_info[0] == 2 and sys.version_info[1] < 7:
     from ordereddict import OrderedDict