为什么我的“导入请求”因ImportError而失败：没有名为'requests.packages.urllib3'?

Question

这在OSX和Linux上都发生过。不幸的是，我没有确切的复制步骤，但这没关系，因为我将在下面回答我自己的问题。在

以下是典型的失败：

Python 2.7.6 (default, Sep  9 2014, 15:04:36) 
[GCC 4.2.1 Compatible Apple LLVM 6.0 (clang-600.0.39)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import requests
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/Users/erichanchrow/git-repositories/rack_assigner/venv/lib/python2.7/site-packages/requests/__init__.py", line 58, in <module>
    from . import utils
  File "/Users/erichanchrow/git-repositories/rack_assigner/venv/lib/python2.7/site-packages/requests/utils.py", line 26, in <module>
    from .compat import parse_http_list as _parse_list_header
  File "/Users/erichanchrow/git-repositories/rack_assigner/venv/lib/python2.7/site-packages/requests/compat.py", line 42, in <module>
    from .packages.urllib3.packages.ordered_dict import OrderedDict
  File "/Users/erichanchrow/git-repositories/rack_assigner/venv/lib/python2.7/site-packages/requests/packages/__init__.py", line 83, in load_module
    raise ImportError("No module named '%s'" % (name,))
ImportError: No module named 'requests.packages.urllib3'
>>> 

Answer 1

我甚至无法解释为什么，但问题是由于我的文件名为“电子邮件.py“在我当前的目录中。我把它改名为别的，突然一切又开始运转起来了。在

通过在该文件中插入一个“断点”（即故意将其除以零的错误），我们可以看到是谁在导入它： (venv):) 14:36:46 [erichanchrow@Eric-Hanchrows-iMac rack_assigner] (refunds *)$ python -c 'import refund' Traceback (most recent call last): File "<string>", line 1, in <module> File "refund.py", line 11, in <module> import requests File "/Users/erichanchrow/git-repositories/rack_assigner/venv/lib/python2.7/site-packages/requests/__init__.py", line 53, in <module> from .packages.urllib3.contrib import pyopenssl File "/Users/erichanchrow/git-repositories/rack_assigner/venv/lib/python2.7/site-packages/requests/packages/__init__.py", line 63, in load_module __import__(name) File "/Users/erichanchrow/git-repositories/rack_assigner/venv/lib/python2.7/site-packages/requests/packages/urllib3/__init__.py", line 10, in <module> from .connectionpool import ( File "/Users/erichanchrow/git-repositories/rack_assigner/venv/lib/python2.7/site-packages/requests/packages/urllib3/connectionpool.py", line 37, in <module> from .request import RequestMethods File "/Users/erichanchrow/git-repositories/rack_assigner/venv/lib/python2.7/site-packages/requests/packages/urllib3/request.py", line 6, in <module> from .filepost import encode_multipart_formdata File "/Users/erichanchrow/git-repositories/rack_assigner/venv/lib/python2.7/site-packages/requests/packages/urllib3/filepost.py", line 8, in <module> from .fields import RequestField File "/Users/erichanchrow/git-repositories/rack_assigner/venv/lib/python2.7/site-packages/requests/packages/urllib3/fields.py", line 1, in <module> import email.utils File "email.py", line 11, in <module> 5/0 ZeroDivisionError: integer division or modulo by zero