modified Classes to revert to older type annotations

tests/test_contracts/test_class_contracts.py

@@ -2,7 +2,7 @@
 
 import math
 from dataclasses import dataclass
-from typing import List, Set
+from typing import List, Set, Tuple
 
 import pytest
 from nested_preconditions_example import Student
@@ -385,7 +385,7 @@ class ThemedWidget:
     primary_color: str
     secondary_color: str
 
-    def __init__(self, theme: str, color_palette: tuple[str, str], options: dict = None) -> None:
+    def __init__(self, theme: str, color_palette: Tuple[str, str], options: dict = None) -> None:
         if options:
             self.setup_options(options)
         else:
@@ -403,7 +403,7 @@ def setup_size(self, size: int) -> None:
     def apply_theme(self, theme: str) -> None:
         self.theme = theme
 
-    def apply_color_palette(self, color_palette: tuple[str, str]) -> None:
+    def apply_color_palette(self, color_palette: Tuple[str, str]) -> None:
         self.primary_color, self.secondary_color = color_palette
 
 

tests/test_contracts/test_contracts.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import sys
+from typing import Dict, List, Set
 
 import pytest
 from nested_preconditions_example import Student, my_function
@@ -33,7 +34,7 @@ def test_nullary_return_dict() -> None:
     """Calling a nullary function with the correct return type (dict)."""
 
     @check_contracts
-    def nullary() -> dict[str, int]:
+    def nullary() -> Dict[str, int]:
         return {"one": 1}
 
     nullary()
@@ -74,7 +75,7 @@ def test_nullary_return_dict_wrong() -> None:
     """Calling a nullary function with the incorrect return type (dict)."""
 
     @check_contracts
-    def nullary() -> dict[str, int]:
+    def nullary() -> Dict[str, int]:
         return {1: 1}
 
     with pytest.raises(AssertionError):
@@ -147,7 +148,7 @@ def nullary():
 
 
 @check_contracts
-def _my_sum(numbers: list[int]) -> int:
+def _my_sum(numbers: List[int]) -> int:
     return sum(numbers)
 
 
@@ -286,7 +287,7 @@ def is_even(lst: list[int]) -> bool:
 
 
 @check_contracts
-def _is_even_sum(numbers: list[int]) -> int:
+def _is_even_sum(numbers: List[int]) -> int:
     """Return the sum of a list of numbers.
 
     Precondition: is_even(numbers)
@@ -311,7 +312,7 @@ def test_is_even_sum_violation() -> None:
 
 
 @check_contracts
-def search(numbers: set[int]) -> bool:
+def search(numbers: Set[int]) -> bool:
     """Search for a number in a set.
 
     Illustrates a preconditions with a double comprehension.

tests/test_subclass_contracts.py

@@ -1,5 +1,7 @@
 from __future__ import annotations
 
+from typing import List
+
 import pytest
 
 from python_ta.contracts import check_all_contracts
@@ -9,6 +11,7 @@ class Employee:
     """
     Represents an employee
 
+    Representation Invariants:
     Representation Invariants:
     - len(self.name) > 0
     - self.wage >= 15
@@ -51,7 +54,7 @@ class Teacher(Employee):
     - self.wage == self.wage_per_class * len(self.currently_teaching)
     """
 
-    currently_teaching: list[str]
+    currently_teaching: List[str]
     wage_per_class: float
 
     def __init__(self, name, wage_per_class, currently_teaching):