HW6: check for packages using AST

Author: afeld

extras/scripts/hw_6_check.py

@@ -10,7 +10,9 @@
 import shlex
 import subprocess
 import sys
-from nb_helper import *
+
+sys.path.append(os.path.dirname(os.path.abspath(__file__)))
+from nb_helper import read_notebook, notebook_to_script
 
 sys.path.append(os.path.dirname(os.path.abspath(__file__)))
 from nb_helper import read_notebook, notebook_to_script