union type by | exists only since Python 3.10

fiobank.py

@@ -16,15 +16,15 @@
 __all__ = ("FioBank", "ThrottlingError")
 
 
-def coerce_amount(value: int | float) -> Decimal:
+def coerce_amount(value: "int | float") -> Decimal:
     if isinstance(value, int):
         return Decimal(value)
     if isinstance(value, float):
         return Decimal(str(value))
     raise ValueError(value)
 
 
-def coerce_date(value: datetime | date | str):
+def coerce_date(value: "datetime | date | str") -> date:
     if isinstance(value, datetime):
         return value.date()
     elif isinstance(value, date):
@@ -33,7 +33,7 @@ def coerce_date(value: datetime | date | str):
         return datetime.strptime(value[:10], "%Y-%m-%d").date()
 
 
-def sanitize_value(value: Any, convert: Callable | None = None) -> Any:
+def sanitize_value(value: Any, convert: "Callable | None" = None) -> Any:
     if isinstance(value, str):
         value = value.strip() or None
     if convert and value is not None:
@@ -199,7 +199,7 @@ def info(self) -> dict:
         raise ValueError("No data available")
 
     def period(
-        self, from_date: date | datetime | str, to_date: date | datetime | str
+        self, from_date: "date | datetime | str", to_date: "date | datetime | str"
     ) -> Generator[dict, None, None]:
         if data := self._request(
             "periods", from_date=coerce_date(from_date), to_date=coerce_date(to_date)
@@ -213,7 +213,9 @@ def statement(self, year: int, number: int) -> Generator[dict, None, None]:
         raise ValueError("No data available")
 
     def last(
-        self, from_id: int | None = None, from_date: date | datetime | str | None = None
+        self,
+        from_id: "int | None" = None,
+        from_date: "date | datetime | str | None" = None,
     ) -> Generator[dict, None, None]:
         if from_id and from_date:
             raise ValueError("Only one constraint is allowed.")

tests/test_coerce_date.py

@@ -13,12 +13,12 @@
         "2016-08-03T21:03:42",
     ],
 )
-def test_coerce_date(test_input: date | datetime | str):
+def test_coerce_date(test_input: "date | datetime | str"):
     assert coerce_date(test_input) == date(2016, 8, 3)
 
 
 @pytest.mark.parametrize("test_input", [42, True])
-def test_coerce_date_invalid_type(test_input: int | bool):
+def test_coerce_date_invalid_type(test_input: "int | bool"):
     with pytest.raises(TypeError):
         coerce_date(test_input)  # type: ignore
 

tests/test_sanitize_value.py

@@ -28,7 +28,7 @@ def test_sanitize_value_no_effect(test_input: Any, expected: Any):
         ("\nfio    ", "fio"),
     ],
 )
-def test_sanitize_value_strip(test_input: str, expected: str | None):
+def test_sanitize_value_strip(test_input: str, expected: "str | None"):
     assert sanitize_value(test_input) == expected