MAINT: Compatibility with py3.7

src/caosadvancedtools/json_schema_exporter.py

@@ -23,7 +23,7 @@
 """
 
 from collections import OrderedDict
-from typing import Any, Iterable, List, Optional, Union
+from typing import Any, Dict, Iterable, List, Optional, Union
 
 import linkahead as db
 from linkahead.common.datatype import get_list_datatype, is_list_datatype
@@ -353,7 +353,7 @@ out : dict
     return result
 
 
-def merge_schemas(schemas: Union[dict[str, dict], Iterable[dict]]) -> dict:
+def merge_schemas(schemas: Union[Dict[str, dict], Iterable[dict]]) -> dict:
     """Merge the given schemata into a single schema.
 
 The result will look like this: