我通过pip安装了mechanize并在导入模块时获得了错误:
$ python
Python 3.5.2 (default, Jun 28 2016, 08:46:01)
[GCC 6.1.1 20160602] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import mechanize
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python3.5/site-packages/mechanize/__init__.py", line 119, in <module>
from _version import __version__
ImportError: No module named '_version'
该文件-version.py存在于site-packages目录中:
$ ls /usr/lib/python3.5/site-packages/mechanize
_auth.py __init__.py _response.py
_beautifulsoup.py _lwpcookiejar.py _rfc3986.py
_clientcookie.py _markupbase.py _sgmllib_copy.py
_debug.py _mechanize.py _sockettimeout.py
_firefox3cookiejar.py _mozillacookiejar.py _testcase.py
_form.py _msiecookiejar.py _urllib2_fork.py
_gzip.py _opener.py _urllib2.py …