Python不能導入蒂卡

我有麻煩在Python文件導入蒂卡。我花了大量的時間搜索並且找不到任何東西。這裏是iPython命令：import tika和後續的堆棧跟蹤。Python不能導入蒂卡

它發生，我認爲有可能是與該蒂卡依賴，如請求，或urllib3模塊的問題。但是，當我嘗試用pip安裝這些設備時，它表示需求已經滿足。我也加倍檢查了PYTHONHOME導演，我99％肯定這是正確的。

$ ipython 
Python 3.6.1 (v3.6.1:69c0db5, Mar 21 2017, 17:54:52) [MSC v.1900 32 bit (Intel)] 
Type "copyright", "credits" or "license" for more information. 

IPython 4.2.1 -- An enhanced Interactive Python. 
?   -> Introduction and overview of IPython's features. 
%quickref -> Quick reference. 
help  -> Python's own help system. 
object? -> Details about 'object', use 'object??' for extra details. 
WARNING: Readline services not available or not loaded. 
WARNING: Proper color support under MS Windows requires the pyreadline library. 
You can find it at: 
http://ipython.org/pyreadline.html 

Defaulting color scheme to 'NoColor' 

In [1]: import tika 
--------------------------------------------------------------------------- 
ImportError        Traceback (most recent call last) 
C:\cygwin64\lib\python3.6\site-packages\requests\packages\__init__.py in <module>() 
    26 try: 
---> 27  from . import urllib3 
    28 except ImportError: 

ImportError: cannot import name 'urllib3' 

During handling of the above exception, another exception occurred: 

ValueError        Traceback (most recent call last) 
<ipython-input-1-9f3de0ba3e70> in <module>() 
----> 1 import tika 

C:\cygwin64\lib\python3.6\site-packages\tika\tika.py in <module>() 
    18 
    19 try: 
---> 20  __import__('pkg_resources').declare_namespace(__name__) 
    21 except ImportError: 
    22  from pkgutil import extend_path 

C:\cygwin64\lib\python3.6\site-packages\pkg_resources\__init__.py in declare_namespace(packageName) 
    2161    # Ensure all the parent's path items are reflected in the child, 
    2162    # if they apply 
-> 2163    _handle_ns(packageName, path_item) 
    2164 
    2165  finally: 

C:\cygwin64\lib\python3.6\site-packages\pkg_resources\__init__.py in _handle_ns(packageName, path_item) 
    2096   path = module.__path__ 
    2097   path.append(subpath) 
-> 2098   loader.load_module(packageName) 
    2099   _rebuild_mod_path(path, packageName, module) 
    2100  return subpath 

C:\cygwin64\lib\python3.6\site-packages\tika\tika.py in <module>() 
    89  open = codecs.open 
    90 
---> 91 import requests 
    92 import socket 
    93 import tempfile 

C:\cygwin64\lib\python3.6\site-packages\requests\__init__.py in <module>() 
    50 # Attempt to enable urllib3's SNI support, if possible 
    51 try: 
---> 52  from .packages.urllib3.contrib import pyopenssl 
    53  pyopenssl.inject_into_urllib3() 
    54 except ImportError: 

C:\cygwin64\lib\python3.6\site-packages\requests\packages\__init__.py in <module>() 
    27  from . import urllib3 
    28 except ImportError: 
---> 29  import urllib3 
    30  sys.modules['%s.urllib3' % __name__] = urllib3 
    31 

C:\cygwin64\lib\python3.6\site-packages\urllib3\__init__.py in <module>() 
     6 import warnings 
     7 
----> 8 from .connectionpool import (
     9  HTTPConnectionPool, 
    10  HTTPSConnectionPool, 

C:\cygwin64\lib\python3.6\site-packages\urllib3\connectionpool.py in <module>() 
     9 
    10 
---> 11 from .exceptions import (
    12  ClosedPoolError, 
    13  ProtocolError, 

C:\cygwin64\lib\python3.6\site-packages\urllib3\exceptions.py in <module>() 
     1 from __future__ import absolute_import 
----> 2 from .packages.six.moves.http_client import (
     3  IncompleteRead as httplib_IncompleteRead 
     4) 
     5 # Base Exceptions 

ValueError: source code string cannot contain null bytes

來源

2017-06-16 Luke Baumann