fix error in copy
fix error in copy

The error from below was fixed with this patch.

(CONNECTED) /some/path> cp file:///tmp/solrconfig.xml solrconfig.xml
Traceback (most recent call last):
File "/usr/local/bin/zk-shell", line 22, in 
CLI()()
File "/usr/local/lib/python2.7/dist-packages/zk_shell/cli.py", line 165, in call
shell.run(intro if first else None)
File "/usr/local/lib/python2.7/dist-packages/xcmd/xcmd.py", line 410, in run
self.cmdloop()
File "/usr/lib/python2.7/cmd.py", line 142, in cmdloop
stop = self.onecmd(line)
File "/usr/lib/python2.7/cmd.py", line 221, in onecmd
return func(arg)
File "/usr/local/lib/python2.7/dist-packages/xcmd/xcmd.py", line 191, in wrapper
return func(args[0], params)
File "/usr/local/lib/python2.7/dist-packages/zk_shell/shell.py", line 564, in do_cp
self.copy(params, params.recursive, params.overwrite, params.max_items, False)
File "/usr/local/lib/python2.7/dist-packages/zk_shell/shell.py", line 672, in copy
src.copy(dst, recursive, max_items, mirror)
File "/usr/local/lib/python2.7/dist-packages/zk_shell/copy.py", line 209, in copy
self.do_copy(dst, opname)
File "/usr/local/lib/python2.7/dist-packages/zk_shell/copy.py", line 241, in do_copy
dst.write_path(self.read_path())
File "/usr/local/lib/python2.7/dist-packages/zk_shell/copy.py", line 416, in read_path
return PathValue("".os.path.join(fph.readlines()))
AttributeError: 'str' object has no attribute 'os'
rgs1/zk_shell,rgs1/zk_shell