kivy says no window available even though allpackages are installed crrectly in windows 10

[Surya Prakash]

[INFO              ] [Logger      ] Record log in C:\Users\Surya Prakash S\.kivy\logs\kivy_16-09-20_30.txt
[INFO              ] [Kivy        ] v1.9.1
[INFO              ] [Python      ] v2.7.12 (v2.7.12:d33e0cf91556, Jun 27 2016, 15:19:22) [MSC v.1500 32 bit (Intel)]
[INFO              ] [Factory     ] 179 symbols loaded
[INFO              ] [Image       ] Providers: img_tex, img_dds, img_gif, img_sdl2, img_pil (img_ffpyplayer ignored)
[INFO              ] [Text        ] Provider: sdl2
[CRITICAL          ] [Window      ] Unable to find any valuable Window provider at all!
sdl2 - TypeError: 'module' object is not callable
  File "C:\Python27\lib\site-packages\kivy\core\__init__.py", line 59, in core_select_lib
    fromlist=[modulename], level=0)
  File "C:\Python27\lib\site-packages\kivy\core\window\window_sdl2.py", line 27, in <module>
    from kivy.input.provider import MotionEventProvider
  File "C:\Python27\lib\site-packages\kivy\input\__init__.py", line 33, in <module>
    import kivy.input.providers
  File "C:\Python27\lib\site-packages\kivy\input\providers\__init__.py", line 13, in <module>
    import kivy.input.providers.tuio
  File "C:\Python27\lib\site-packages\kivy\input\providers\tuio.py", line 42, in <module>
    from kivy.lib import osc
  File "C:\Python27\lib\site-packages\kivy\lib\osc\__init__.py", line 15, in <module>
    from .oscAPI import *
  File "C:\Python27\lib\site-packages\kivy\lib\osc\oscAPI.py", line 33, in <module>
    import socket, os, time, errno, sys
  File "F:\prog\socket.py", line 5, in <module>
    s = socket.socket()         # Create a socket object

[CRITICAL          ] [App         ] Unable to get a Window, abort.
 Exception SystemExit: 1 in 'kivy.properties.dpi2px' ignored
[CRITICAL          ] [App         ] Unable to get a Window, abort.