Fixing types for python 3.8

Author: seperman

deepdiff/helper.py

@@ -8,7 +8,7 @@
 import string
 import time
 import enum
-from typing import NamedTuple, Any, List, Optional
+from typing import NamedTuple, Any, List, Optional, Dict, Union
 from ast import literal_eval
 from decimal import Decimal, localcontext, InvalidOperation as InvalidDecimalOperation
 from itertools import repeat
@@ -817,7 +817,7 @@ class FlatDeltaRow(NamedTuple):
     __repr__ = __str__ = named_tuple_repr
 
 
-JSON = dict[str, str] | list[str] | list[int] | dict[str, "JSON"] | list["JSON"] | str | int | float | bool | None
+JSON = Union[Dict[str, str], List[str], List[int], Dict[str, "JSON"], List["JSON"], str, int, float, bool, None]
 
 
 class SummaryNodeType(EnumBase):

deepdiff/summarize.py

@@ -1,3 +1,4 @@
+from typing import Tuple
 from deepdiff.helper import JSON, SummaryNodeType
 from deepdiff.serialization import json_dumps
 
@@ -56,7 +57,7 @@ def calculate_weights(node):
 # (Implementing directly the balanced summarization algorithm as above)
 
 # Balanced algorithm (simplified version):
-def shrink_tree_balanced(node_structure, max_weight: int, balance_threshold: float) -> tuple[JSON, float]:
+def shrink_tree_balanced(node_structure, max_weight: int, balance_threshold: float) -> Tuple[JSON, float]:
     node_type, node_info = node_structure
 
     if node_type is SummaryNodeType.leaf: