Add fflush(stdout); to cIterator.c to get a tests passing on the command line even though fprintf was using '\n'. This tests was passing in Pycharm so presumably Pycharm must be flushing stdout after every test (?).

Author: paulross

src/cpy/Iterators/cIterator.c

@@ -268,6 +268,7 @@ iterate_and_print(PyObject *Py_UNUSED(module), PyObject *args, PyObject *kwds) {
         return NULL;
     }
     fprintf(stdout, "%s: DONE\n", __FUNCTION__ );
+    fflush(stdout);
     assert(!PyErr_Occurred());
     Py_RETURN_NONE;
 }