update crawler

crawler/classes.py

@@ -7,7 +7,6 @@ from re import search, sub
 from functools import total_ordering
 
 from sylla import textbookInfo
-from collections import MutableMapping
 
 import datetime as dt
 import lxml.html as lxh

crawler/mapping.py

@@ -79,5 +79,5 @@ def indexCourse(course):
     new_course.save(id=sha256(_id).hexdigest())
 
 
-#if __name__ == "__main__":
+if __name__ == "__main__":
-    #Course.init()
+    Course.init()