style: format code with black
diff --git a/erpnext/education/__init__.py b/erpnext/education/__init__.py
index 56c2b29..f6f84b3 100644
--- a/erpnext/education/__init__.py
+++ b/erpnext/education/__init__.py
@@ -2,10 +2,16 @@
 from frappe import _
 
 
-class StudentNotInGroupError(frappe.ValidationError): pass
+class StudentNotInGroupError(frappe.ValidationError):
+	pass
+
 
 def validate_student_belongs_to_group(student, student_group):
-	groups = frappe.db.get_all('Student Group Student', ['parent'], dict(student = student, active=1))
+	groups = frappe.db.get_all("Student Group Student", ["parent"], dict(student=student, active=1))
 	if not student_group in [d.parent for d in groups]:
-		frappe.throw(_('Student {0} does not belong to group {1}').format(frappe.bold(student), frappe.bold(student_group)),
-			StudentNotInGroupError)
+		frappe.throw(
+			_("Student {0} does not belong to group {1}").format(
+				frappe.bold(student), frappe.bold(student_group)
+			),
+			StudentNotInGroupError,
+		)