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Changes between Initial Version and Version 1 of Ticket #31815

-              initial
+              v1
 File "D:\DjangoSite\venv\lib\site-packages\django\db\backends\postgresql\schema.py", line 38, in quote_value
     return psycopg2.extensions.adapt(value).getquoted().decode()
+return psycopg2.extensions.adapt(value).getquoted().decode()
 UnicodeEncodeError: 'latin-1' codec can't encode character '\u03bc' in position 0: ordinal not in range(256)
 The migration is:
+migrations.AddConstraint(
+            model_name='biomarkertestinfo',
+            constraint=models.CheckConstraint(check=models.Q(unit__in=['μg/mL', 'ng/mL', 'pg/mL', 'U/L', 'mIU/mL', 'kIU/mL']), name='constrained biomarker unit choices'),
+        )
+migrations.AddConstraint(model_name='biomarkertestinfo',constraint=models.CheckConstraint(check=models.Q(unit__in=['μg/mL', 'ng/mL', 'pg/mL', 'U/L', 'mIU/mL', 'kIU/mL']), name='constrained biomarker unit choices'),)
+I am running PostgreSQL 12 locally for this with psycopg2 connection.