ImportError: No module named regex

$ ./topy.py /home/sanu/horizon/horizon/view.py

Traceback (most recent call last): File "./topy.py", line 21, in <module> import regex ImportError: No module named regex

$ sudo apt-get install python-dev

[sudo] password for sanu: Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: libexpat1-dev libpython-dev libpython2.7-dev python2.7-dev The following NEW packages will be installed: libexpat1-dev libpython-dev libpython2.7-dev python-dev python2.7-dev 0 upgraded, 5 newly installed, 0 to remove and 0 not upgraded. Need to get 22.4 MB of archives. After this operation, 35.1 MB of additional disk space will be used. Do you want to continue? [Y/n] y Get:1 http://in.archive.ubuntu.com/ubuntu/ trusty/main libexpat1-dev amd64 2.1.0-4ubuntu1 [115 kB] Get:2 http://in.archive.ubuntu.com/ubuntu/ trusty/main libpython2.7-dev amd64 2.7.6-8 [22.0 MB] Get:3 http://in.archive.ubuntu.com/ubuntu/ trusty/main libpython-dev amd64 2.7.5-5ubuntu3 [7,078 B] Get:4 http://in.archive.ubuntu.com/ubuntu/ trusty/main python2.7-dev amd64 2.7.6-8 [269 kB] Get:5 http://in.archive.ubuntu.com/ubuntu/ trusty/main python-dev amd64 2.7.5-5ubuntu3 [1,166 B] Fetched 22.4 MB in 6min 49s (54.7 kB/s) Selecting previously unselected package libexpat1-dev:amd64. (Reading database ... 231082 files and directories currently installed.) Preparing to unpack .../libexpat1-dev_2.1.0-4ubuntu1_amd64.deb ... Unpacking libexpat1-dev:amd64 (2.1.0-4ubuntu1) ... Selecting previously unselected package libpython2.7-dev:amd64. Preparing to unpack .../libpython2.7-dev_2.7.6-8_amd64.deb ... Unpacking libpython2.7-dev:amd64 (2.7.6-8) ... Selecting previously unselected package libpython-dev:amd64. Preparing to unpack .../libpython-dev_2.7.5-5ubuntu3_amd64.deb ... Unpacking libpython-dev:amd64 (2.7.5-5ubuntu3) ... Selecting previously unselected package python2.7-dev. Preparing to unpack .../python2.7-dev_2.7.6-8_amd64.deb ... Unpacking python2.7-dev (2.7.6-8) ... Selecting previously unselected package python-dev. Preparing to unpack .../python-dev_2.7.5-5ubuntu3_amd64.deb ... Unpacking python-dev (2.7.5-5ubuntu3) ... Processing triggers for doc-base (0.10.5) ... Processing 1 added doc-base file... Registering documents with scrollkeeper... Processing triggers for man-db (2.6.7.1-1) ... Setting up libexpat1-dev:amd64 (2.1.0-4ubuntu1) ... Setting up libpython2.7-dev:amd64 (2.7.6-8) ... Setting up libpython-dev:amd64 (2.7.5-5ubuntu3) ... Setting up python2.7-dev (2.7.6-8) ... Setting up python-dev (2.7.5-5ubuntu3) ...

$ easy_install regex

Searching for regex Reading https://pypi.python.org/simple/regex/ Best match: regex 2014.06.28 Downloading https://pypi.python.org/packages/source/r/regex/regex-2014.06.28.tar.gz#md5=3d9667eac4222be0ac412a3e508f767a Processing regex-2014.06.28.tar.gz Writing /tmp/easy_install-7PZarl/regex-2014.06.28/setup.cfg Running regex-2014.06.28/setup.py -q bdist_egg --dist-dir /tmp/easy_install-7PZarl/regex-2014.06.28/egg-dist-tmp-KKo6N3 zip_safe flag not set; analyzing archive contents... /home/sanu/virt_env/virt1/local/lib/python2.7/site-packages/setuptools/command/bdist_egg.py:384: UnicodeWarning: Unicode equal comparison failed to convert both arguments to Unicode - interpreting them as being unequal symbols = dict.fromkeys(iter_symbols(code)) Adding regex 2014.06.28 to easy-install.pth file Installed /home/sanu/virt_env/virt1/lib/python2.7/site-packages/regex-2014.06.28-py2.7-linux-x86_64.egg Processing dependencies for regex Finished processing dependencies for regex