lint: resolve existing mypy type errors

Adds annotations and re-workes dataflow to satisfy existing mypy issues,
without adding any additional type annotations to, eg, function
signatures.

There will probably be many more type errors when annotations are all
added.

1 files changed, 3 insertions, 3 deletions

diff --git a/python/fatcat_tools/transforms/entities.py b/python/fatcat_tools/transforms/entities.py
index 799d5d6c..ee4017d8 100644
--- a/python/fatcat_tools/transforms/entities.py
+++ b/python/fatcat_tools/transforms/entities.py
@@ -1,6 +1,6 @@
 import collections
 import json
-from typing import Any, Dict, List, Optional
+from typing import Any, Dict, List, Mapping, Optional
 
 import toml
 from fatcat_openapi_client import ApiClient
@@ -31,12 +31,12 @@ def entity_from_json(
     """
     if not api_client:
         api_client = ApiClient()
-    thing = collections.namedtuple("Thing", ["data"])
+    thing = collections.namedtuple("thing", ["data"])
     thing.data = json_str
     return api_client.deserialize(thing, entity_type)
 
 
-def entity_from_dict(obj: dict, entity_type, api_client=None):
+def entity_from_dict(obj: Mapping[str, Any], entity_type, api_client=None):
     json_str = json.dumps(obj)
     return entity_from_json(json_str, entity_type, api_client=api_client)