Import teachers from CSV.

biscuit/apps/schild_nrw/util.py

+from biscuit.core.models import Person
+
+import csv
+
+
 def schild_import_csv(teachers_csv, students_csv, guardians_csv):
-    pass
+    teachers_reader = csv.DictReader(teachers_csv, fieldnames=('guid', 'email', 'email_business', 'date_of_birth',
+                                                               'sex', 'abbrev', 'last_name', 'first_name', 'street', 'postal_code', 'place', 'phone_number', 'mobile_number', 'visible'))
+
+    for teacher_row in teachers_reader:
+        if teacher_row['visible']:
+            person, created = Person.objects.get_or_create(
+                guid=teacher_row['guid'], defaults=teacher_row)