old_contents: import os
  
  import requests
  
  
  class LumidatumClient(object):
  
      def __init__(self, authentication_token, model_id=None, host_address='https://www.lumidatum.com'):
          self.authentication_token = authentication_token
          self.model_id = model_id
          self.host_address = host_address
  
      def getRecommendations(self, parameters, model_id=None):
          """
          Get recommendations for a model specified by model_id.
  
          Returns a list of id/score pairs in descending order from the highest score.
          """
          selected_model_id = model_if if model_id else self.model_id
          if selected_model_id is None:
              raise ValueError('model_id must be specified either at initialization of LumidatumClient or in client method call.')
  
          headers = {
              'Authorization': self.authentication_token,
              'content-type': 'application/json',
          }
  
          response = requests.post(
              os.path.join(self.host_address, 'api/predict', selected_model_id),
              parameters,
              headers=headers
          )
  
          return response.json()
  
      def getRecommendationDescriptions(self, parameters, model_id=None):
          """
          Get human readable recommendations.
          """
          parameters['human_readable'] = True
  
          return self.getRecommendations(self, parameters, model_id)
  
new_contents: import os
  
  import requests
  
  
  class LumidatumClient(object):
  
      def __init__(self, authentication_token, model_id=None, host_address='https://www.lumidatum.com'):
          self.authentication_token = authentication_token
          self.model_id = str(model_id)
          self.host_address = host_address
  
      def getRecommendations(self, parameters, model_id=None):
          """
          Get recommendations for a model specified by model_id.
  
          Returns a list of id/score pairs in descending order from the highest score.
          """
          selected_model_id = str(model_if) if model_id else self.model_id
          if selected_model_id is None:
              raise ValueError('model_id must be specified either at initialization of LumidatumClient or in client method call.')
  
          headers = {
              'Authorization': self.authentication_token,
              'content-type': 'application/json',
          }
  
          response = requests.post(
              os.path.join(self.host_address, 'api/predict', selected_model_id),
              parameters,
              headers=headers
          )
  
          return response.json()
  
      def getRecommendationDescriptions(self, parameters, model_id=None):
          """
          Get human readable recommendations.
          """
          parameters['human_readable'] = True
  
          return self.getRecommendations(self, parameters, model_id)
  
subject: Fix for os.path.join with model_id, was breaking on non-string model_id values.