Fix typing for python3.8

backend/setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = viasp-backend
-version = 2.2.0
+version = 2.2.0.post0
 author = Luis Glaser
 author_email = Luis.Glaser@uni-potsdam.de
 description = The backend for the viasp package.

backend/src/viasp/asp/utils.py

@@ -38,7 +38,7 @@ def merge_cycles(g: nx.DiGraph, program_str) -> Tuple[nx.DiGraph, FrozenSet[Rule
     return nx.relabel_nodes(g, mapping), frozenset(where_recursion_happens)
 
 
-def merge_nodes(nodes: set[RuleContainer], program_str: str) -> RuleContainer:
+def merge_nodes(nodes: Set[RuleContainer], program_str: str) -> RuleContainer:
     old = set()
     for x in nodes:
         old.update(x.ast)

backend/src/viasp/shared/model.py

@@ -2,7 +2,7 @@
 from dataclasses import dataclass, field
 from enum import Enum
 from inspect import Signature as inspect_Signature
-from typing import Any, Sequence, Dict, Union, FrozenSet, Collection, List, Tuple
+from typing import Any, Sequence, Dict, Union, FrozenSet, Collection, List, Tuple, Type
 from types import MappingProxyType
 from uuid import UUID, uuid4
 
@@ -260,10 +260,10 @@ class TransformationError:
 
 @dataclass
 class TransformerTransport:
-    transformer: type[Transformer]
+    transformer: Type[Transformer]
     imports: str
     path: str
 
     @classmethod
-    def merge(cls, transformer: type[Transformer], imports: str, path: str):
+    def merge(cls, transformer: Type[Transformer], imports: str, path: str):
         return cls(transformer, imports, path)

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = viasp
-version = 2.2.0
+version = 2.2.0.post0
 author = Luis Glaser
 author_email = Luis.Glaser@uni-potsdam.de
 description = a visualization tool for clingo.

setup.py

@@ -30,7 +30,7 @@ def run(self):
 EMAIL = 'Luis.Glaser@uni-potsdam.de'
 AUTHOR = 'Luis Glaser'
 REQUIRES_PYTHON = '>=3.8.0'
-VERSION = '2.2.0'
+VERSION = '2.2.0.post0'
 
 # What packages are required for this module to be executed?
 REQUIRED = [