fix: Added import statement for translate wrapper
diff --git a/erpnext/education/doctype/course_activity/course_activity.py b/erpnext/education/doctype/course_activity/course_activity.py
index 28eafea..054b192 100644
--- a/erpnext/education/doctype/course_activity/course_activity.py
+++ b/erpnext/education/doctype/course_activity/course_activity.py
@@ -4,6 +4,7 @@
 
 from __future__ import unicode_literals
 import frappe
+from frappe import _
 from frappe.model.document import Document
 
 class CourseActivity(Document):
diff --git a/erpnext/education/doctype/course_enrollment/course_enrollment.py b/erpnext/education/doctype/course_enrollment/course_enrollment.py
index d521828..2a2837d 100644
--- a/erpnext/education/doctype/course_enrollment/course_enrollment.py
+++ b/erpnext/education/doctype/course_enrollment/course_enrollment.py
@@ -4,6 +4,7 @@
 
 from __future__ import unicode_literals
 import frappe
+from frappe import _
 from frappe.model.document import Document
 from functools import reduce