Fix ruff linting error

Author: danlamanna

isic_cli/io/http.py

@@ -63,9 +63,7 @@ def _merge_summaries(a: dict[str, list[str]], b: dict[str, list[str]]) -> dict[s
     for k, v in a.items():
         ret[k] = v + b.get(k, [])
 
-    for k, v in b.items():
-        if k not in a:
-            ret[k] = v
+    ret.update({k: v for k, v in b.items() if k not in a})
 
     return ret
 

tox.ini

@@ -8,7 +8,7 @@ envlist =
 skipsdist = true
 skip_install = true
 deps =
-    ruff
+    ruff==0.5.0
 commands =
     ruff check {posargs:.}
     ruff format --check {posargs:.}