old_contents: # Copyright 2016 Osvaldo Santana Neto <staty@osantana.me>
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  
  from staty import exceptions, base
  from staty.utils import camel2snake
  
  
  class HTTPStatusMap:
      def __init__(self):
          self.codes = {}
          self.errors = {}
          self.attribute_names = {}
          self.exceptions = {}
  
      def __getattr__(self, item):
          try:
              return self.attribute_names[item]
          except KeyError as exc:
              raise AttributeError("{!r} object has no attribute {!r}".format(self.__class__.__name__, item)) from exc
  
      def __getitem__(self, item):
              return self.codes[item]
  
      def register(self, http_status_class):
          code = http_status_class.code
          name = http_status_class.__name__
  
          if code in self.codes:
              raise exceptions.RegistrationException("Status code is already registered")
  
          http_status = http_status_class()
          self.codes[code] = http_status
  
          if issubclass(http_status_class, base.ErrorCodeMixin):
              self.errors[code] = http_status
  
          if hasattr(http_status_class, 'exception'):
              self.exceptions[http_status_class.exception] = http_status
  
          name = camel2snake(name, upper=True)
  
          status_name = "HTTP_{}_{}".format(code, name)
          self.attribute_names[status_name] = http_status
  
          return http_status_class
  
  
  status = HTTPStatusMap()
  
new_contents: # Copyright 2016 Osvaldo Santana Neto <staty@osantana.me>
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  
  from staty import exceptions, base
  from staty.utils import camel2snake
  
  
  class HTTPStatusMap:
      def __init__(self):
          self.codes = {}
          self.errors = {}
          self.attribute_names = {}
          self.exceptions = {}
  
      def __getattr__(self, item):
          try:
              return self.attribute_names[item]
          except KeyError as exc:
              raise AttributeError("{!r} object has no attribute {!r}".format(self.__class__.__name__, item)) from exc
  
      def __getitem__(self, item):
          return self.codes[item]
  
      def register(self, http_status_class):
          code = http_status_class.code
          name = http_status_class.__name__
  
          if code in self.codes:
              raise exceptions.RegistrationException("Status code is already registered")
  
          http_status = http_status_class()
          self.codes[code] = http_status
  
          if issubclass(http_status_class, base.ErrorCodeMixin):
              self.errors[code] = http_status
  
          if hasattr(http_status_class, 'exception'):
              self.exceptions[http_status_class.exception] = http_status
  
          name = camel2snake(name, upper=True)
  
          status_name = "HTTP_{}_{}".format(code, name)
          self.attribute_names[status_name] = http_status
  
          return http_status_class
  
  
  status = HTTPStatusMap()
  
subject: fix small issue in identation