ImportError: DLL load failed with downloaded PYQT4. 64bit python2.7 - python

I am going to run a GUI program with main.py
After I run the main.py with using cmd, it shows the result.
Traceback (most recent call last):
File "Main.py", line 1, in <module>
from MainGlobalVar import *
File "C:\G02FYP\MainGlobalVar.py", line 4, in <module
from NetworkConsole import *
File "C:\G02FYP\NetworkConsole.py", line 1, in <modul
from PyQt4.QtGui import *
ImportError: DLL load failed: %1 is not a valid Win32 application.
I have double-checked that my version is 64 and I have re-installed the PYQT4
with using 64bits and python 2.7.9
Moreover,if I type python in cmd, it shows:
C:\>python
Python 2.7.9 (default, Dec 10 2014, 12:24:55) [MSC v.1500 32 bit (Intel)] on win
32
Type "help", "copyright", "credits" or "license" for more information.
>>>
What should i do for this importerror.

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enter image description here
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