IOError: broken pipe

[avdd]

pip list | grep -q no-match operates as expected.

pip list | grep -q matching-pattern produces:

Traceback (most recent call last):
  File "/usr/lib/python2.7/logging/__init__.py", line 883, in emit
    self.flush()
  File "/usr/lib/python2.7/logging/__init__.py", line 843, in flush
    self.stream.flush()
IOError: [Errno 32] Broken pipe
Logged from file list.py, line 195
Traceback (most recent call last):
  File "/usr/lib/python2.7/logging/__init__.py", line 883, in emit
    self.flush()
  File "/usr/lib/python2.7/logging/__init__.py", line 843, in flush
    self.stream.flush()
IOError: [Errno 32] Broken pipe
Logged from file list.py, line 195
Traceback (most recent call last):
  File "/usr/lib/python2.7/logging/__init__.py", line 883, in emit
    self.flush()
  File "/usr/lib/python2.7/logging/__init__.py", line 843, in flush
    self.stream.flush()
IOError: [Errno 32] Broken pipe
Logged from file list.py, line 195
Traceback (most recent call last):
  File "/usr/lib/python2.7/logging/__init__.py", line 883, in emit
    self.flush()
  File "/usr/lib/python2.7/logging/__init__.py", line 843, in flush
    self.stream.flush()
IOError: [Errno 32] Broken pipe
Logged from file list.py, line 195
Traceback (most recent call last):
  File "/usr/lib/python2.7/logging/__init__.py", line 883, in emit
    self.flush()
  File "/usr/lib/python2.7/logging/__init__.py", line 843, in flush
    self.stream.flush()
IOError: [Errno 32] Broken pipe
Logged from file list.py, line 195

• pip 7.1.2
• Python 2.7.10

[podung]

I'm getting this as well:
pip 7.1.2
python 2.7.11
osx 10.10.5

Let me know if I can provide more info

[dstufft]

Closing this, I can't reproduce this. If you're still having issues please open a new issue with reproduction steps.

[avdd]

Here's a repro:

with Ubuntu 14.04:

wget https://www.python.org/ftp/python/2.7.13/Python-2.7.13.tar.xz
tar xf Python-2.7.13.tar.xz
cd Python-2.7.13
./configure --prefix=/tmp/python  --with-ensurepip=upgrade
PYTHONUSERBASE=null make install
/tmp/python/bin/pip list | head -1
Package    Version
Traceback (most recent call last):
  File "/tmp/python/lib/python2.7/logging/__init__.py", line 885, in emit
    self.flush()
  File "/tmp/python/lib/python2.7/logging/__init__.py", line 845, in flush
    self.stream.flush()
IOError: [Errno 32] Broken pipe
Logged from file list.py, line 272
Traceback (most recent call last):
  File "/tmp/python/lib/python2.7/logging/__init__.py", line 885, in emit
    self.flush()
  File "/tmp/python/lib/python2.7/logging/__init__.py", line 845, in flush
    self.stream.flush()
IOError: [Errno 32] Broken pipe
Logged from file list.py, line 272

[xavfernandez]

Cf #4170 for a duplicate issue.