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Change from ..srv import * to from service.service_def import *.
Change from ..srv import * to from service.service_def import *.
          3    No.3 Revision 
      
    
        
        updated 2016-11-23 07:50:47 -0500  
 
 
  
 
 
 
  Change As the error says, you are trying to do a relative import (i.e. using ..). Instead, since you are already setting service as a package in your setup.py file you can used that package name directly by changing:
 from ..srv import *  in service_def.py to  from service.service_def import *.
 
 
          4    No.4 Revision 
      
    
        
        updated 2016-11-23 08:57:00 -0500  
 
 
  
 
 
 
  As the error says, you are trying to do a relative import (i.e. using ..). Instead, since you are already setting service as a package in your setup.py file you can used that package name directly by changing:
 from ..srv import *  in service_def.py to  from service.service_def import *.
  Here's an MWE for the: 
 Structure:
 service/
├── CMakeLists.txt
├── package.xml
├── src
│   └── service_node
└── srv
    ├── get.srv
    ├── __init__.py
    └── set.srv
 CMakeLists.txt
 cmake_minimum_required(VERSION 2.8.3)
project(service)

find_package(catkin REQUIRED
   rospy
   std_msgs
   message_generation
)

add_service_files(
  FILES
   get.srv
   set.srv
)

generate_messages(
  DEPENDENCIES
  std_msgs
)

catkin_package(
)
 package.xml
 <?xml version="1.0"?>
<package>
  <name>service</name>
  <version>0.0.0</version>
  <description>The service package</description>

  <maintainer email="jsanch@todo.todo">jsanch</maintainer>

  <license>TODO</license>
  <buildtool_depend>catkin</buildtool_depend>

  <build_depend>rospy</build_depend>
  <build_depend>message_generation</build_depend>

  <run_depend>rospy</run_depend>
  <run_depend>message_runtime</run_depend>
</package>
 service_node
 #!/usr/bin/env python
#-*- encoding: utf-8 -*-

import rospy
import service.srv


def main():
    print("Creating set")
    x = service.srv.set
    print("Creating get")
    y = service.srv.get

if __name__ == '__main__':
    rospy.init_node('service_node', anonymous=True)
    main()