export: test export float field

tests/test_export.py

@@ -32,4 +32,16 @@
         record = self.env["res.partner"].create({"name": "my name"})
         self.assertEqual({"comment": None}, export(record, {"comment": {}}))
         record.comment = "A comment"
-        self.assertEqual({"comment": "A comment"}, export(record, {"comment": {}}))
+        self.assertEqual(
+            {"comment": "A comment"}, export(record, {"comment": {}})
+        )
+
+    def test_export_float_field(self):
+        record = self.env["res.partner"].create({"name": "my name"})
+        self.assertEqual(
+            {"credit_limit": 0.0}, export(record, {"credit_limit": {}})
+        )
+        record.credit_limit = 4.5
+        self.assertEqual(
+            {"credit_limit": 4.5}, export(record, {"credit_limit": {}})
+        )