Hi Friends,
Please help me with the error, When I am installing partner_sms module in openerp. It is giving me below mentioned error -

Traceback (most recent call last):
  File "/home/shiva/workspace1/openerp/OE7/openerp/cli/server.py", line 97, in preload_registry
    db, registry = openerp.pooler.get_db_and_pool(dbname,update_module=update_module)
  File "/home/shiva/workspace1/openerp/OE7/openerp/pooler.py", line 33, in get_db_and_pool
    registry = RegistryManager.get(db_name, force_demo, status, update_module)
  File "/home/shiva/workspace1/openerp/OE7/openerp/modules/registry.py", line 203, in get
    update_module)
  File "/home/shiva/workspace1/openerp/OE7/openerp/modules/registry.py", line 233, in new
    openerp.modules.load_modules(registry.db, force_demo, status, update_module)
  File "/home/shiva/workspace1/openerp/OE7/openerp/modules/loading.py", line 351, in load_modules
    force, status, report, loaded_modules, update_module)
  File "/home/shiva/workspace1/openerp/OE7/openerp/modules/loading.py", line 256, in load_marked_modules
    loaded, processed = load_module_graph(cr, graph, progressdict, report=report, skip_modules=loaded_modules, perform_checks=perform_checks)
  File "/home/shiva/workspace1/openerp/OE7/openerp/modules/loading.py", line 159, in load_module_graph
    load_openerp_module(package.name)
  File "/home/shiva/workspace1/openerp/OE7/openerp/modules/module.py", line 415, in load_openerp_module
    getattr(sys.modules['openerp.addons.' + module_name], info['post_load'])()
  File "/home/shiva/workspace1/openerp/OE7/openerp/addons/web/http.py", line 628, in wsgi_postload
    openerp.wsgi.register_wsgi_handler(Root())
  File "/home/shiva/workspace1/openerp/OE7/openerp/addons/web/http.py", line 517, in __init__
    self.load_addons()
  File "/home/shiva/workspace1/openerp/OE7/openerp/addons/web/http.py", line 580, in load_addons
    m = __import__('openerp.addons.' + module)
  File "/home/shiva/workspace1/openerp/OE7/openerp/modules/module.py", line 133, in load_module
    mod = imp.load_module('openerp.addons.' + module_part, f, path, descr)
  File "/home/shiva/workspace1/openerp/OE7/openerp/addons/partner_sms/__init__.py", line 1, in 
    import psms, controllers
  File "/home/shiva/workspace1/openerp/OE7/openerp/addons/partner_sms/psms.py", line 1, in 
    from openerp import models, fields, api
ImportError: cannot import name models