pypa/pip — pull request #2275 by methane (2014-12-26 06:35:04+00:00)
Title: Fix pip install -v fails

```
Traceback (most recent call last):
File "/var/lib/jenkins/.pyenv/versions/3.4.2/lib/python3.4/logging/__init__.py", line 978, in emit
msg = self.format(record)
File "/var/lib/jenkins/venv/lib/python3.4/site-packages/pip/utils/logging.py", line 103, in format

▽
msg = logging.StreamHandler.format(self, record)
File "/var/lib/jenkins/.pyenv/versions/3.4.2/lib/python3.4/logging/__init__.py", line 828, in format
return fmt.format(record)
File "/var/lib/jenkins/venv/lib/python3.4/site-packages/pip/utils/logging.py", line 49, in format
formatted = logging.Formatter.format(self, record)
File "/var/lib/jenkins/.pyenv/versions/3.4.2/lib/python3.4/logging/__init__.py", line 565, in format
record.message = record.getMessage()
File "/var/lib/jenkins/.pyenv/versions/3.4.2/lib/python3.4/logging/__init__.py", line 328, in getMessage
msg = msg % self.args
TypeError: not all arguments converted during string formatting
Call stack:
File "venv/bin/pip", line 11, in
sys.exit(main())
File "/var/lib/jenkins/venv/lib/python3.4/site-packages/pip/__init__.py", line 217, in main
return command.main(cmd_args)
File "/var/lib/jenkins/venv/lib/python3.4/site-packages/pip/basecommand.py", line 215, in main
status = self.run(options, args)
File "/var/lib/jenkins/venv/lib/python3.4/site-packages/pip/commands/install.py", line 339, in run
requirement_set.prepare_files(finder)
File "/var/lib/jenkins/venv/lib/python3.4/site-packages/pip/req/req_set.py", line 235, in prepare_files
req_to_install, self.upgrade)
File "/var/lib/jenkins/venv/lib/python3.4/site-packages/pip/index.py", line 512, in find_requirement
or "none",
Message: 'Installed version (%s) is most up-to-date (past versions: '
Arguments: ('%s)', '2.3.1', '2.3.1, 2.3.1, 2.3.1, 2.3.0, 2.3.0, 2.3.0, 2.2.0, 2.2.0, 2.2.0, 2.1.0, 2.1.0, 2.1.0, 2.0.0, 2.0.0, 2.0.0, 1.2.1, 1.2.1, 1.2.0, 1.2.0, 1.1.0, 1.1.0, 1.0.0, 1.0.0, 0.13.2, 0.13.2, 0.13.1, 0.13.1, 0.13, 0.13, 0.12.1, 0.12.1, 0.12, 0.12, 0.11, 0.11, 0.10.2, 0.10.2, 0.10.1, 0.10.1, 0.10')
```