[Python] Imported module not found in PyInstaller

I'm working in Windows, using PyInstaller to package a python file. But some error is occuring:

Traceback (most recent call last):
File "<string>", line 2, in <module>
File "D:\Useful Apps\pyinstaller-2.0\PyInstaller\loader\iu.py", line 386, in importHook
mod = _self_doimport(nm, ctx, fqname)
File "D:\Useful Apps\pyinstaller-2.0\PyInstaller\loader\iu.py", line 480, in doimport
exec co in mod.__dict__
File "D:\Useful Apps\pyinstaller-2.0\server\build\pyi.win32\server\out00-PYZ.pyz\SocketServer", line 132, in <module>
File "D:\Useful Apps\pyinstaller-2.0\PyInstaller\loader\iu.py", line 386, in importHook
mod = _self_doimport(nm, ctx, fqname)
File "D:\Useful Apps\pyinstaller-2.0\PyInstaller\loader\iu.py", line 480, in doimport
exec co in mod.__dict__
File "D:\Useful Apps\pyinstaller-2.0\server\build\pyi.win32\server\out00-PYZ.pyz\socket", line 47, in <module>
File "D:\Useful Apps\pyinstaller-2.0\PyInstaller\loader\iu.py", line 409, in importHook
raise ImportError("No module named %s" % fqname)
ImportError: No module named _socket


I know that _socket is in path C:\Python27\libs\_socket.lib, but how can let the generated EXE find that file?

Continue reading...