I've found how entry_point works in python packages. When package installed it adds file to /path/to/python/bin directory. It looks like:
laptop:$ cat /Users/ksanderer/.pyenv/versions/3.5.1/bin/myapp
#!/Users/ksanderer/.pyenv/versions/3.5.1/bin/python3.5
# EASY-INSTALL-ENTRY-SCRIPT: 'myapp==0.0.1','console_scripts','myapp'
__requires__ = 'myapp==0.0.1'
import sys