pip install ipdb
Collecting ipdb
Collecting ipython<6.0.0,>=5.0.0; python_version == "2.7" (from ipdb)
  Using cached ipython-5.6.0-py2-none-any.whl
Requirement already satisfied: setuptools in /home/ada/.virtualenvs/gft-py2/lib/python2.7/site-packages (from ipdb) (39.0.1)
Collecting prompt-toolkit<2.0.0,>=1.0.4 (from ipython<6.0.0,>=5.0.0; python_version == "2.7"->ipdb)
  Using cached prompt_toolkit-1.0.15-py2-none-any.whl
Collecting decorator (from ipython<6.0.0,>=5.0.0; python_version == "2.7"->ipdb)
  Using cached decorator-4.2.1-py2.py3-none-any.whl
Collecting pexpect; sys_platform != "win32" (from ipython<6.0.0,>=5.0.0; python_version == "2.7"->ipdb)
  Using cached pexpect-4.4.0-py2.py3-none-any.whl
Collecting backports.shutil-get-terminal-size; python_version == "2.7" (from ipython<6.0.0,>=5.0.0; python_version == "2.7"->ipdb)
  Using cached backports.shutil_get_terminal_size-1.0.0-py2.py3-none-any.whl
Collecting pygments (from ipython<6.0.0,>=5.0.0; python_version == "2.7"->ipdb)
  Using cached Pygments-2.2.0-py2.py3-none-any.whl
Collecting pathlib2; python_version == "2.7" or python_version == "3.3" (from ipython<6.0.0,>=5.0.0; python_version == "2.7"->ipdb)
  Using cached pathlib2-2.3.0-py2.py3-none-any.whl
Collecting traitlets>=4.2 (from ipython<6.0.0,>=5.0.0; python_version == "2.7"->ipdb)
  Using cached traitlets-4.3.2-py2.py3-none-any.whl
Collecting simplegeneric>0.8 (from ipython<6.0.0,>=5.0.0; python_version == "2.7"->ipdb)
Collecting pickleshare (from ipython<6.0.0,>=5.0.0; python_version == "2.7"->ipdb)
  Using cached pickleshare-0.7.4-py2.py3-none-any.whl
Collecting wcwidth (from prompt-toolkit<2.0.0,>=1.0.4->ipython<6.0.0,>=5.0.0; python_version == "2.7"->ipdb)
  Using cached wcwidth-0.1.7-py2.py3-none-any.whl
Requirement already satisfied: six>=1.9.0 in /home/ada/.virtualenvs/gft-py2/lib/python2.7/site-packages (from prompt-toolkit<2.0.0,>=1.0.4->ipython<6.0.0,>=5.0.0; python_version == "2.7"->ipdb) (1.11.0)
Collecting ptyprocess>=0.5 (from pexpect; sys_platform != "win32"->ipython<6.0.0,>=5.0.0; python_version == "2.7"->ipdb)
  Using cached ptyprocess-0.5.2-py2.py3-none-any.whl
Collecting scandir; python_version < "3.5" (from pathlib2; python_version == "2.7" or python_version == "3.3"->ipython<6.0.0,>=5.0.0; python_version == "2.7"->ipdb)
Collecting ipython-genutils (from traitlets>=4.2->ipython<6.0.0,>=5.0.0; python_version == "2.7"->ipdb)
  Using cached ipython_genutils-0.2.0-py2.py3-none-any.whl
Collecting enum34; python_version == "2.7" (from traitlets>=4.2->ipython<6.0.0,>=5.0.0; python_version == "2.7"->ipdb)
  Using cached enum34-1.1.6-py2-none-any.whl
ipython 5.6.0 requires backports.shutil-get-terminal-size; python_version == "2.7", which is not installed.
Installing collected packages: wcwidth, prompt-toolkit, decorator, ptyprocess, pexpect, backports.shutil-get-terminal-size, pygments, scandir, pathlib2, ipython-genutils, enum34, traitlets, simplegeneric, pickleshare, ipython, ipdb
Successfully installed backports.shutil-get-terminal-size-1.0.0 decorator-4.2.1 enum34-1.1.6 ipdb-0.11 ipython-5.6.0 ipython-genutils-0.2.0 pathlib2-2.3.0 pexpect-4.4.0 pickleshare-0.7.4 prompt-toolkit-1.0.15 ptyprocess-0.5.2 pygments-2.2.
0 scandir-1.7 simplegeneric-0.8.1 traitlets-4.3.2 wcwidth-0.1.7