Comply with doit 0.32.0

nbcourse/mydoit.py

@@ -2,7 +2,7 @@
 
 from doit.cmd_help import Help
 from doit.doit_cmd import DoitMain
-from doit.cmd_base import ModuleTaskLoader
+from doit.cmd_base import NamespaceTaskLoader
 import inspect
 
 
@@ -44,10 +44,9 @@ class MyDoit(DoitMain):
         return doit_help.get_usage(sub_cmds.to_dict())
 
 
-class ClassTaskLoader(ModuleTaskLoader):
+class ClassTaskLoader(NamespaceTaskLoader):
     """Implementation of a loader of tasks from a Class namespace"""
 
-    def load_tasks(self, cmd, params, args):
-        # Build dict from class namespace
-        self.mod_dict = dict(inspect.getmembers(self.mod_dict))
-        return self._load_from(cmd, self.mod_dict, self.cmd_names)
+    def __init__(self, classname):
+        super().__init__()
+        self.namespace = dict(inspect.getmembers(classname))

requirements.txt

@@ -7,5 +7,5 @@ latex
 markdown
 rise
 pyyaml
-doit==0.31.1
+doit>=0.32.0
 python-frontmatter
\ No newline at end of file