代码：
import datashader as ds
错误：
self._handle = _dlopen(self._name, mode)
OSError: [WinError 126] The specified module could not be found
详细错误：
Traceback (most recent call last):
File "D:\Adarsh\WinPython-64bit-3.4.4.2\python-3.4.4.amd64\lib\site-packages\llvmlite\binding\ffi.py", line 40, in <module>
lib = ctypes.CDLL(os.path.join(_lib_dir, _lib_name))
File "D:\Adarsh\WinPython-64bit-3.4.4.2\python-3.4.4.amd64\lib\ctypes\__init__.py", line 351, in __init__
self._handle = _dlopen(self._name, mode)
OSError: [WinError 126] The specified module could not be found
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "D:\Adarsh\WinPython-64bit-3.4.4.2\python-3.4.4.amd64\lib\site-packages\datashader\__init__.py", line 5, in <module>
from .core import Canvas
File "D:\Adarsh\WinPython-64bit-3.4.4.2\python-3.4.4.amd64\lib\site-packages\datashader\core.py", line 8, in <module>
from .utils import Dispatcher, ngjit
File "D:\Adarsh\WinPython-64bit-3.4.4.2\python-3.4.4.amd64\lib\site-packages\datashader\utils.py", line 5, in <module>
import numba as nb
File "D:\Adarsh\WinPython-64bit-3.4.4.2\python-3.4.4.amd64\lib\site-packages\numba\__init__.py", line 9, in <module>
from . import runtests, decorators
File "D:\Adarsh\WinPython-64bit-3.4.4.2\python-3.4.4.amd64\lib\site-packages\numba\decorators.py", line 8, in <module>
from . import config, sigutils
File "D:\Adarsh\WinPython-64bit-3.4.4.2\python-3.4.4.amd64\lib\site-packages\numba\config.py", line 10, in <module>
import llvmlite.binding as ll
File "D:\Adarsh\WinPython-64bit-3.4.4.2\python-3.4.4.amd64\lib\site-packages\llvmlite\binding\__init__.py", line 6, in <module>
from .dylib import *
File "D:\Adarsh\WinPython-64bit-3.4.4.2\python-3.4.4.amd64\lib\site-packages\llvmlite\binding\dylib.py", line 4, in <module>
from . import ffi
File "D:\Adarsh\WinPython-64bit-3.4.4.2\python-3.4.4.amd64\lib\site-packages\llvmlite\binding\ffi.py", line 45, in <module>
lib = ctypes.CDLL(_lib_name)
File "D:\Adarsh\WinPython-64bit-3.4.4.2\python-3.4.4.amd64\lib\ctypes\__init__.py", line 351, in __init__
self._handle = _dlopen(self._name, mode)
OSError: [WinError 126] The specified module could not be found