old_contents: # Copyright 2011-2014 MongoDB, Inc.
  #
  # 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 __future__ import unicode_literals, absolute_import
  
  """Common code to support all async frameworks."""
  
  import pymongo.errors
  
  
  callback_type_error = TypeError("callback must be a callable")
  
  
  def check_deprecated_kwargs(kwargs):
      if 'safe' in kwargs:
          raise pymongo.errors.ConfigurationError(
              "Motor does not support 'safe', use 'w'")
  
      if 'slave_okay' in kwargs or 'slaveok' in kwargs:
          raise pymongo.errors.ConfigurationError(
              "Motor does not support 'slave_okay', use read_preference")
  
      if 'auto_start_request' in kwargs:
          raise pymongo.errors.ConfigurationError(
              "Motor does not support requests")
  
  
  def mangle_delegate_name(motor_class, name):
      if name.startswith('__') and not name.endswith("__"):
          # Mangle, e.g. Cursor.__die -> Cursor._Cursor__die
          classname = motor_class.__delegate_class__.__name__
          return '_%s%s' % (classname, name)
      else:
          return name
  
  
  class MotorSocketOptions(object):
      def __init__(
          self,
          resolver,
          address,
          family,
          use_ssl,
          certfile,
          keyfile,
          ca_certs,
          cert_reqs,
          socket_keepalive
      ):
          self.resolver = resolver
          self.address = address
          self.family = family
          self.use_ssl = use_ssl
          self.certfile = certfile
          self.keyfile = keyfile
          self.ca_certs = ca_certs
          self.cert_reqs = cert_reqs
          self.socket_keepalive=socket_keepalive
  
new_contents: # Copyright 2011-2014 MongoDB, Inc.
  #
  # 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 __future__ import unicode_literals, absolute_import
  
  """Common code to support all async frameworks."""
  
  import pymongo.errors
  
  
  callback_type_error = TypeError("callback must be a callable")
  
  
  def check_deprecated_kwargs(kwargs):
      if 'safe' in kwargs:
          raise pymongo.errors.ConfigurationError(
              "Motor does not support 'safe', use 'w'")
  
      if 'slave_okay' in kwargs or 'slaveok' in kwargs:
          raise pymongo.errors.ConfigurationError(
              "Motor does not support 'slave_okay', use read_preference")
  
      if 'auto_start_request' in kwargs:
          raise pymongo.errors.ConfigurationError(
              "Motor does not support requests")
  
  
  def mangle_delegate_name(motor_class, name):
      if name.startswith('__') and not name.endswith("__"):
          # Mangle, e.g. Cursor.__die -> Cursor._Cursor__die
          classname = motor_class.__delegate_class__.__name__
          return '_%s%s' % (classname, name)
      else:
          return name
  
  
  class MotorSocketOptions(object):
      def __init__(
          self,
          resolver,
          address,
          family,
          use_ssl,
          certfile,
          keyfile,
          ca_certs,
          cert_reqs,
          socket_keepalive
      ):
          self.resolver = resolver
          self.address = address
          self.family = family
          self.use_ssl = use_ssl
          self.certfile = certfile
          self.keyfile = keyfile
          self.ca_certs = ca_certs
          self.cert_reqs = cert_reqs
          self.socket_keepalive = socket_keepalive
  
subject: Add spaces