Tabpy Serverへのデプロイ時のエラー

Tabpy Serverへのデプロイ時に、以下のようなエラーが発生して、非常に困っております。
原因、解決策をご存知の方、教えて頂ければ幸いです。

Tabpy Serverへのデプロイ

client.deploy('housingprice', housingprice, 'Predict Real Estate Price',override=True)

表示されるエラー

ResponseError                             Traceback (most recent call last)
 in 
----> 1 client.deploy('housingprice', housingprice, 'Predict Real Estate Price',override=True)

~/opt/anaconda3/lib/python3.7/site-packages/tabpy_client/client.py in deploy(self, name, obj, description, schema, override)
    326 
    327         if version == 1:
--> 328             self._service.add_endpoint(_Endpoint(**obj))
    329         else:
    330             self._service.set_endpoint(_Endpoint(**obj))

~/opt/anaconda3/lib/python3.7/site-packages/tabpy_client/rest_client.py in add_endpoint(self, endpoint)
    217         """
    218         return self.service_client.POST('endpoints',
--> 219                 endpoint.to_json()
    220             )
    221 

~/opt/anaconda3/lib/python3.7/site-packages/tabpy_client/rest.py in POST(self, url, data, timeout)
    170     def POST(self, url, data=None, timeout=None):
    171         """Prepends self.endpoint to the url and issues a POST request."""
--> 172         return self.network_wrapper.POST(self.endpoint + url, data, timeout)
    173 
    174     def PUT(self, url, data=None, timeout=None):

~/opt/anaconda3/lib/python3.7/site-packages/tabpy_client/rest.py in POST(self, url, data, timeout)
    106                 timeout=timeout)
    107         if response.status_code not in (200, 201):
--> 108             self.raise_error(response)
    109 
    110         return response.json()

~/opt/anaconda3/lib/python3.7/site-packages/tabpy_client/rest.py in raise_error(self, response)
     61             response.text)
     62 
---> 63         raise ResponseError(response)
     64 
     65     def _remove_nones(self, data):

ResponseError: (400) Endpoint source path name can only contain: a-z, A-Z, 0-9, underscore, hyphens and spaces. {}