$ python3 setup.py build_ext --inplace
Compiling helloworld.py because it changed.
[1/1] Cythonizing helloworld.pyx
/home/laytonjb/anaconda3/lib/python3.7/site-packages/Cython/Compiler/Main.py:367: FutureWarning: Cython directive 'language_level' not set, using 2 for now (Py2). This will change in a later release! File: /home/laytonjb/HPC-PYTHON-1/helloworld.pyx
  tree = Parsing.p_module(s, pxd, full_module_name)
running build_ext
building 'helloworld' extension
creating build
creating build/temp.linux-x86_64-3.7
gcc -pthread -B /home/laytonjb/anaconda3/compiler_compat -Wl,--sysroot=/ -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -I/home/laytonjb/anaconda3/include/python3.7m -c helloworld.c -o build/temp.linux-x86_64-3.7/helloworld.o
gcc -pthread -shared -B /home/laytonjb/anaconda3/compiler_compat -L/home/laytonjb/anaconda3/lib -Wl,-rpath=/home/laytonjb/anaconda3/lib -Wl,--no-as-needed -Wl,--sysroot=/ build/temp.linux-x86_64-3.7/helloworld.o -o /home/laytonjb/HPC-PYTHON-1/helloworld.cpython-37m-x86_64-linux-gnu.so