ERROR: test_creating_and_reading_multiple_sheets (pandas.io.tests.test_excel.ExcelReaderTests)
# 
## ERROR: test_creating_and_reading_multiple_sheets (pandas.io.tests.test_excel.ExcelReaderTests)

Traceback (most recent call last):
  File "/var/tmp/portage/dev-python/pandas-0.16.1/work/pandas-0.16.1-python3_3/lib/pandas/io/tests/test_excel.py", line 474, in test_creating_and_reading_multiple_sheets
    for sheetname, df in dfs.iteritems():
AttributeError: 'dict' object has no attribute 'iteritems'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/var/tmp/portage/dev-python/pandas-0.16.1/work/pandas-0.16.1-python3_3/lib/pandas/io/tests/test_excel.py", line 475, in test_creating_and_reading_multiple_sheets
    df.to_excel(ew,sheetname)
  File "/var/tmp/portage/dev-python/pandas-0.16.1/work/pandas-0.16.1-python3_3/lib/pandas/io/excel.py", line 619, in **exit**
    self.close()
  File "/var/tmp/portage/dev-python/pandas-0.16.1/work/pandas-0.16.1-python3_3/lib/pandas/io/excel.py", line 623, in close
    return self.save()
  File "/var/tmp/portage/dev-python/pandas-0.16.1/work/pandas-0.16.1-python3_3/lib/pandas/io/excel.py", line 651, in save
    return self.book.save(self.path)
  File "/usr/lib64/python3.3/site-packages/openpyxl/workbook/workbook.py", line 280, in save
    save_workbook(self, filename)
  File "/usr/lib64/python3.3/site-packages/openpyxl/writer/excel.py", line 211, in save_workbook
    writer.save(filename)
  File "/usr/lib64/python3.3/site-packages/openpyxl/writer/excel.py", line 194, in save
    self.write_data(archive)
  File "/usr/lib64/python3.3/site-packages/openpyxl/writer/excel.py", line 88, in write_data
    archive.writestr(ARC_WORKBOOK_RELS, write_workbook_rels(self.workbook))
  File "/usr/lib64/python3.3/site-packages/openpyxl/writer/workbook.py", line 316, in write_workbook_rels
    i += 1
UnboundLocalError: local variable 'i' referenced before assignment
