UnicodeDecodeError: 'ascii' codec can't decode byte 0xa0 in

[MOS37F MOS37F]

import shelve
from ShelfFile import ABC
from zipfile import ZipFile, ZIP_DEFLATED
ShelfFilePath =  'E:\DIR\DIR\DIR\ShelfFile'

def TEST():
      ShelfFileObject = shelve.open(ShelfFilePath)
      RetrievedObject = ShelfFileObject['abc']
      ShelfFileObject.close()
      return RetrievedObject
RetrievedObject = TEST()

FilePath1 = RetrievedObject.DirectoryPath1 + '\\' + 'Filename.txt'
FilePath2 = RetrievedObject.DirectoryPath2 + '\\' + 'Filename.zip'

#Would expect True -> UV.DirectoryPath1 == 'E:\TestDir\TestDir'
if UV.DirectoryPath1 == 'E:\TestDir\TestDir': print  'UV.DirectoryPath1 ==
E:\TestDir\TestDir:'
# Try First without setting UV.DirectoryPath1
#UV.DirectoryPath1 = 'E:\TestDir\TestDir'


FIL = ZipFile(FilePath2, "w", ZIP_DEFLATED)
FIL.write(FilePath1)
FIL.close()
print '\tComplete:', FilePath2
####################################################
Debug I/O: #Yes, just as expected
UV.DirectoryPath1 == E:\TestDir\TestDir:

Exceptions: #Not as expected
UnicodeDecodeError: 'ascii' codec can't decode byte 0xb9 in position 10:
ordinal not in range(128)
File "File Path", line '#', in <module>
FIL.write(FilePath1)
File "C:\Python25\Lib\zipfile.py, line 568, in write
self.fp.write(zinfo.FileHeader())
File "C:\Python25\Lib\zipfile.py, line 260, in FileHeader
return header + self.filename + extra
####################################################
Uncomment:  #UV.DirectoryPath1 = 'E:\TestDir\TestDir'

Debug I/O: #Yes, just as expected
UV.DirectoryPath1 == E:\TestDir\TestDir:

Exceptions: #Yes, just as expected - BUT WHY THE DIFFERENCE? -> '\\' ?????
E:\TestDir\TestDir\Filename.zip
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