install error; lib/bx/bitset.c:4:20: fatal error: Python.h: No such file or directory

while running on 64-bit Ubuntu
gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototy
pes -fPIC -Isrc/kent -Isrc -I/usr/include/python2.7 -c lib/bx/bitset.c -o build/
temp.linux-x86_64-2.7/lib/bx/bitset.o

Would appreciate any help