feat: TNL-10136 fix small rebase errors

Too many blank lines, missing import between student model files

common/djangoapps/student/models/course_enrollment.py

@@ -56,7 +56,6 @@ log = logging.getLogger(__name__)
 AUDIT_LOG = logging.getLogger("audit")
 
 
-
 # ENROLL signal used for free enrollment only
 class EnrollStatusChange:
     """

common/djangoapps/student/models/user.py

@@ -25,6 +25,7 @@ from .course_enrollment import (
     ALLOWEDTOENROLL_TO_ENROLLED,
     CourseEnrollment,
     CourseEnrollmentAllowed,
+    CourseOverview,
     ManualEnrollmentAudit,
     segment
 )
@@ -951,8 +952,6 @@ class PendingSecondaryEmailChange(DeletableByUserValue, models.Model):
     activation_key = models.CharField(('activation key'), max_length=32, unique=True, db_index=True)
 
 
-
-
 class LoginFailures(models.Model):
     """
     This model will keep track of failed login attempts.