Step 1: Where are the shared objects seeming to be?
schadenfreude@oubliette:~$ locate libpython3.4 | grep /usr/lib | grep so
/usr/lib/debug/usr/lib/libpython3.4m.so.1.0-gdb.py
/usr/lib/debug/usr/lib/x86_64-linux-gnu/libpython3.4m.so.1.0
/usr/lib/python3.4/config-3.4dm-x86_64-linux-gnu/libpython3.4.so
/usr/lib/python3.4/config-3.4dm-x86_64-linux-gnu/libpython3.4dm.so
/usr/lib/python3.4/config-3.4m-x86_64-linux-gnu/libpython3.4.so
/usr/lib/python3.4/config-3.4m-x86_64-linux-gnu/libpython3.4m.so
/usr/lib/x86_64-linux-gnu/libpython3.4dm.so
/usr/lib/x86_64-linux-gnu/libpython3.4dm.so.1
/usr/lib/x86_64-linux-gnu/libpython3.4dm.so.1.0
/usr/lib/x86_64-linux-gnu/libpython3.4m.so
/usr/lib/x86_64-linux-gnu/libpython3.4m.so.1
/usr/lib/x86_64-linux-gnu/libpython3.4m.so.1.0
Step 2: Where do these things really point?
schadenfreude@oubliette:~$ ls -la /usr/lib/python3.4/config-3.4m-x86_64-linux-gnu/ | grep libpython3.4 | grep so
lrwxrwxrwx 1 root root 41 Apr 11 2014 libpython3.4m.so -> ../../x86_64-linux-gnu/libpython3.4m.so.1
lrwxrwxrwx 1 root root 41 Apr 11 2014 libpython3.4.so -> ../../x86_64-linux-gnu/libpython3.4m.so.1
schadenfreude@oubliette:~$ ls -la /usr/lib/x86_64-linux-gnu/ | grep libpython3.4 | grep so
lrwxrwxrwx 1 root root 19 Apr 11 2014 libpython3.4dm.so -> libpython3.4dm.so.1
lrwxrwxrwx 1 root root 21 Apr 11 2014 libpython3.4dm.so.1 -> libpython3.4dm.so.1.0
-rw-r--r-- 1 root root 8669406 Apr 11 2014 libpython3.4dm.so.1.0
lrwxrwxrwx 1 root root 18 Apr 11 2014 libpython3.4m.so -> libpython3.4m.so.1
lrwxrwxrwx 1 root root 20 Apr 11 2014 libpython3.4m.so.1 -> libpython3.4m.so.1.0
-rw-r--r-- 1 root root 4292408 Apr 11 2014 libpython3.4m.so.1.0
So, the one that's not just a link /usr/lib/x86_64-linux-gnu/libpython3.4m.so.1.0