ipython: pip install error

when running

pip install ipython

i get

Collecting ipython
  Using cached ipython-5.3.0-py2-none-any.whl
Collecting pickleshare (from ipython)
  Using cached pickleshare-0.7.4-py2.py3-none-any.whl
Collecting simplegeneric>0.8 (from ipython)
Collecting traitlets>=4.2 (from ipython)
  Using cached traitlets-4.3.2-py2.py3-none-any.whl
Collecting backports.shutil-get-terminal-size; python_version == "2.7" (from ipython)
  Using cached backports.shutil_get_terminal_size-1.0.0-py2.py3-none-any.whl
Collecting decorator (from ipython)
  Using cached decorator-4.0.11-py2.py3-none-any.whl
Collecting pygments (from ipython)
  Using cached Pygments-2.2.0-py2.py3-none-any.whl
Requirement already satisfied: pexpect; sys_platform != "win32" in /usr/lib/python2.7/dist-packages (from ipython)
Collecting pathlib2; python_version == "2.7" or python_version == "3.3" (from ipython)
  Using cached pathlib2-2.2.1-py2.py3-none-any.whl
Requirement already satisfied: setuptools>=18.5 in /usr/local/lib/python2.7/dist-packages (from ipython)
Collecting prompt-toolkit<2.0.0,>=1.0.4 (from ipython)
  Using cached prompt_toolkit-1.0.14-py2-none-any.whl
Requirement already satisfied: enum34; python_version == "2.7" in /usr/lib/python2.7/dist-packages (from traitlets>=4.2->ipython)
Requirement already satisfied: six in /usr/lib/python2.7/dist-packages (from traitlets>=4.2->ipython)
Collecting ipython-genutils (from traitlets>=4.2->ipython)
  Using cached ipython_genutils-0.2.0-py2.py3-none-any.whl
Collecting scandir; python_version < "3.5" (from pathlib2; python_version == "2.7" or python_version == "3.3"->ipython)
  Using cached scandir-1.5.tar.gz
Requirement already satisfied: appdirs>=1.4.0 in /usr/local/lib/python2.7/dist-packages (from setuptools>=18.5->ipython)
Requirement already satisfied: packaging>=16.8 in /usr/local/lib/python2.7/dist-packages (from setuptools>=18.5->ipython)
Collecting wcwidth (from prompt-toolkit<2.0.0,>=1.0.4->ipython)
  Using cached wcwidth-0.1.7-py2.py3-none-any.whl
Requirement already satisfied: pyparsing in /usr/local/lib/python2.7/dist-packages (from packaging>=16.8->setuptools>=18.5->ipython)
Building wheels for collected packages: scandir
  Running setup.py bdist_wheel for scandir ... error
  Complete output from command /usr/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-mGtqyq/scandir/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" bdist_wheel -d /tmp/tmpzPzH0bpip-wheel- --python-tag cp27:
  running bdist_wheel
  running build
  running build_py
  creating build
  creating build/lib.linux-x86_64-2.7
  copying scandir.py -> build/lib.linux-x86_64-2.7
  running build_ext
  building '_scandir' extension
  creating build/temp.linux-x86_64-2.7
  x86_64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fno-strict-aliasing -Wdate-time -D_FORTIFY_SOURCE=2 -g -fstack-protector-strong -Wformat -Werror=format-security -fPIC -I/usr/include/python2.7 -c _scandir.c -o build/temp.linux-x86_64-2.7/_scandir.o
  _scandir.c:14:20: fatal error: Python.h: No such file or directory
   #include <Python.h>
                      ^
  compilation terminated.
  error: command 'x86_64-linux-gnu-gcc' failed with exit status 1
  
  ----------------------------------------
  Failed building wheel for scandir
  Running setup.py clean for scandir
Failed to build scandir
Installing collected packages: scandir, pathlib2, pickleshare, simplegeneric, decorator, ipython-genutils, traitlets, backports.shutil-get-terminal-size, pygments, wcwidth, prompt-toolkit, ipython
  Running setup.py install for scandir ... error
    Complete output from command /usr/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-mGtqyq/scandir/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-kVFdnD-record/install-record.txt --single-version-externally-managed --compile:
    running install
    running build
    running build_py
    creating build
    creating build/lib.linux-x86_64-2.7
    copying scandir.py -> build/lib.linux-x86_64-2.7
    running build_ext
    building '_scandir' extension
    creating build/temp.linux-x86_64-2.7
    x86_64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fno-strict-aliasing -Wdate-time -D_FORTIFY_SOURCE=2 -g -fstack-protector-strong -Wformat -Werror=format-security -fPIC -I/usr/include/python2.7 -c _scandir.c -o build/temp.linux-x86_64-2.7/_scandir.o
    _scandir.c:14:20: fatal error: Python.h: No such file or directory
     #include <Python.h>
                        ^
    compilation terminated.
    error: command 'x86_64-linux-gnu-gcc' failed with exit status 1
    
    ----------------------------------------
Command "/usr/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-mGtqyq/scandir/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-kVFdnD-record/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /tmp/pip-build-mGtqyq/scandir/