Rename of .mdb file -- lock

[noydb]

All,

I have the code below, which unzips a zipfile containing only one
file.  Once it is unzipped, I want to rename the file based on a user
provided name.  But I get this (WindowsError: [Error 32] The process
cannot access the file because it is being used by another process)
error, which does not make sense to me as no other apps are open.

Any suggestions?

Thanks!

****CODE****
# Declare the zip file directory and name (shouldn't change, in a
permanent location)
mdb_zip = ("C:\\ProjWork\\mdb_geoDB_91.zip")

output_dir = ("C:\\Temp")


# ZipFile for read
z = zipfile.ZipFile(mdb_zip, 'r')
zFile = z.namelist()

# Put contents of zipfile into a list
zList = z.namelist()


# Loop thru list, write zipfile contents to new directory
for zItem in zList:
    print "Unpacking",zItem
    zRead = z.read(zItem)
    z1File = open(os.path.join(output_dir, zItem),'wb')
    z1File.write(zRead)
    z1File.close
print "Finished extracting zip file"

uChoice = "test44.mdb" ## to be user chosen someday
new91mdb = os.path.join(output_dir, zItem) # C:\TEMP\GDB_9_1.mdb

##os.rename(new91mdb, (os.path.join(output_dir, uChoice)))
os.rename(new91mdb, (os.path.join(output_dir, "C:\TEMP\test1.mdb")))


del new91mdb