Results in an error like this ```Z:\Scripts\Python>python ipfs_utils.py
Traceback (most recent call last):
  File "C:\Users\phill\AppData\Roaming\Python\Python37\site-packages\ipfsapi\http.py", line 166, in _do_raise_for_status
    response.raise_for_status()
  File "C:\Program Files\Python37\lib\site-packages\requests\models.py", line 940, in raise_for_status
    raise HTTPError(http_error_msg, response=self)
requests.exceptions.HTTPError: 500 Server Error: Internal Server Error for url: http://192.168.42.32:5001/api/v0/files/write?stream-channels=true&offset=0&create=True&truncate=False&arg=%2F

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "ipfs_utils.py", line 39, in <module>
    api.files_dir_add('/', {'test': 'test'})
  File "ipfs_utils.py", line 35, in files_dir_add
    self.api.files_write(ipfs_path, buffer, create=True)
  File "C:\Users\phill\AppData\Roaming\Python\Python37\site-packages\ipfsapi\client.py", line 2061, in files_write
    data=body, headers=headers, **kwargs)
  File "C:\Users\phill\AppData\Roaming\Python\Python37\site-packages\ipfsapi\http.py", line 38, in wrapper
    return func(self, *args, **merged)
  File "C:\Users\phill\AppData\Roaming\Python\Python37\site-packages\ipfsapi\http.py", line 245, in request
    files, headers, data)
  File "C:\Users\phill\AppData\Roaming\Python\Python37\site-packages\ipfsapi\http.py", line 195, in _request
    self._do_raise_for_status(res, ret)
  File "C:\Users\phill\AppData\Roaming\Python\Python37\site-packages\ipfsapi\http.py", line 175, in _do_raise_for_status
    six.raise_from(exceptions.StatusError(error), error)
  File "<string>", line 3, in raise_from
ipfsapi.exceptions.StatusError: HTTPError: 500 Server Error: Internal Server Error for url: http://192.168.42.32:5001/api/v0/files/write?stream-channels=true&offset=0&create=True&truncate=False&arg=%2F
```