increased length of phone numbers because some times might be notes

smash/web/models/subject.py

@@ -7,6 +7,7 @@ from . import Language
 
 
 class Subject(models.Model):
+
     class Meta:
         app_label = 'web'
 
@@ -39,19 +40,19 @@ class Subject(models.Model):
                                                                related_name="subjects_written_communication",
                                                                verbose_name='Default language for document generation'
                                                                )
-    phone_number = models.CharField(max_length=20,
+    phone_number = models.CharField(max_length=64,
                                     null=True,
                                     blank=True,
                                     verbose_name='Phone number'
                                     )
 
-    phone_number_2 = models.CharField(max_length=20,
+    phone_number_2 = models.CharField(max_length=64,
                                       null=True,
                                       blank=True,
                                       verbose_name='Phone number 2'
                                       )
 
-    phone_number_3 = models.CharField(max_length=20,
+    phone_number_3 = models.CharField(max_length=64,
                                       null=True,
                                       blank=True,
                                       verbose_name='Phone number 3'