old_contents: from pymogilefs import backend
  from pymogilefs.exceptions import FileNotFoundError
  from pymogilefs.http_connection import HttpConnection
  from pymogilefs.request import Request
  import requests
  import io
  
  
  CHUNK_SIZE = 4096
  
  
  class Client:
      def __init__(self, backend):
          self._backend = backend
  
      def _do_request(self, config, **kwargs):
          return self._backend.do_request(Request(config, **kwargs))
  
      def get_file(self, domain, key):
          paths = self.get_paths(domain, key).data
          if not paths['paths']:
              raise FileNotFoundError(domain, key)
          # TODO: randomize paths, fallback path
          r = requests.get(paths['paths'][1], stream=True)
          return r.raw
  
      def store_file(self, file_handle, key, domain, _class=None):
          kwargs = {'domain': domain,
                    'key': key,
                    'fid': 0,
                    'multi_dest': 1}
          if _class is not None:
              kwargs['class'] = _class
          response = self._do_request(backend.StoreFileConfig, **kwargs)
          http_connection = HttpConnection()
          http_connection.put_file(file_handle=file_handle,
                                   uri=uri)
  
      def delete_file(self):
          raise NotImplementedError
  
      def rename_file(self):
          raise NotImplementedError
  
      def get_paths(self, domain, key, noverify=True, zone='alt', pathcount=2):
          return self._do_request(backend.GetPathsConfig,
                                  domain=domain,
                                  key=key,
                                  noverify=1 if noverify else 0,
                                  zone=zone,
                                  pathcount=pathcount)
  
      def list_keys(self, domain, prefix, after, limit):
          return self._do_request(backend.ListKeysConfig,
                                  domain=domain,
                                  prefix=prefix,
                                  after=after,
                                  limit=limit)
  
new_contents: from pymogilefs import backend
  from pymogilefs.exceptions import FileNotFoundError
  from pymogilefs.request import Request
  import requests
  import io
  
  
  CHUNK_SIZE = 4096
  
  
  class Client:
      def __init__(self, backend):
          self._backend = backend
  
      def _do_request(self, config, **kwargs):
          return self._backend.do_request(Request(config, **kwargs))
  
      def get_file(self, domain, key):
          paths = self.get_paths(domain, key).data
          if not paths['paths']:
              raise FileNotFoundError(domain, key)
          # TODO: randomize paths, fallback path
          r = requests.get(paths['paths'][1], stream=True)
          return r.raw
  
      def store_file(self, file_handle, key, domain, _class=None):
          kwargs = {'domain': domain,
                    'key': key,
                    'fid': 0,
                    'multi_dest': 1}
          if _class is not None:
              kwargs['class'] = _class
          response = self._do_request(backend.StoreFileConfig, **kwargs)
  
      def delete_file(self):
          raise NotImplementedError
  
      def rename_file(self):
          raise NotImplementedError
  
      def get_paths(self, domain, key, noverify=True, zone='alt', pathcount=2):
          return self._do_request(backend.GetPathsConfig,
                                  domain=domain,
                                  key=key,
                                  noverify=1 if noverify else 0,
                                  zone=zone,
                                  pathcount=pathcount)
  
      def list_keys(self, domain, prefix, after, limit):
          return self._do_request(backend.ListKeysConfig,
                                  domain=domain,
                                  prefix=prefix,
                                  after=after,
                                  limit=limit)
  
subject: Remove references to http_connection