Attempted API fix

Based on the error and where it occurs, it seems we have an "out of range"
issue in the DataFileKey datafile_id field. Hopefully this fixes it.

data_import/migrations/0024_auto_20201222_1757.py

@@ -0,0 +1,14 @@
+# Generated by Django 2.2.13 on 2020-12-22 17:57
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [("data_import", "0023_auto_20191106_2330")]
+
+    operations = [
+        migrations.AlterField(
+            model_name="datafilekey", name="datafile_id", field=models.BigIntegerField()
+        )
+    ]

data_import/models.py

@@ -44,7 +44,7 @@ class DataFileKey(models.Model):
 
     created = models.DateTimeField(auto_now_add=True)
     key = models.CharField(max_length=36, blank=False, unique=True, default=uuid.uuid4)
-    datafile_id = models.IntegerField()
+    datafile_id = models.BigIntegerField()
     ip_address = models.GenericIPAddressField(null=True)
     access_token = models.CharField(max_length=64, null=True)
     project_id = models.IntegerField(null=True)