pip: Could not find an activated virtualenv (required)?

I am trying to instal virtualenv and/or virtualenvwrapper on a mac osx 10.8.3 I have been fighting with python for ...

Django Rest Framework — no module named rest_framework?

I've installed django rest framework using pip install djangorestframework yet I still get this error when I run "py...

“No module named time”?

I compiled Python from source using: wget http://python.org/ftp/python/2.6.6/Python-2.6.6.tar.bz2 tar jxvf Python-...

How to solve ReadTimeoutError: HTTPSConnectionPool(host='pypi.python.org', port=443) with pip??

I recently need to install some packages pip install future pip install scikit-learn pip install numpy pip install ...

Meaning of python -m flag?

What does -m in python -m pip install <package> mean ? or while upgrading pip using python -m pip install --u...

ImportError: No module named Crypto.Cipher?

When I try to run app.py (Python 3.3, PyCrypto 2.6) my virtualenv keeps returning the error listed above. My import ...

'pip' is not recognized as an internal or external command?

I'm running into a weird error when trying to install Django on my computer. This is the sequence that I typed into ...

pg_config executable not found?

I am having trouble installing psycopg2. I get the following error when I try to pip install psycopg2: Error: pg_co...

Can't install PyQt5 using pip?

I have tried to install PyQt5 using pip install PyQt5 and sudo -H pip install PyQt5 both of them give me the e...

E: unable to locate package pip?

I have been trying to set up Python-android environment, and kept getting this error message: ~$ sudo apt-get insta...

ImportError: No module named pip?

OS: Mac OS X 10.7.5 Python Ver: 2.7.5 I have installed setuptools 1.0 with ez_setup.py from https://pypi.python.or...

Python 3.6 No module named pip?

I have just installed Python 3.6 on Fedora 25 (64 bits) by running dnf install python36 and I can't use any modules ...

pip no longer working after update error 'module' object is not callable?

After a pip update, pip has stopped working completely. Z:\>pip install matplotlib Traceback (most recent call l...

Installing specific package versions with pip?

I'm trying to install version 1.2.2 of the MySQL_python adaptor, using a fresh virtualenv created with the --no-site...