chore: Code review changes

Michael Brewer · Michael Brewer · commit 2f3bd68b36a9 · 2021-03-25T01:13:53.000-07:00
diff --git a/aws_lambda_powertools/metrics/metrics.py b/aws_lambda_powertools/metrics/metrics.py
@@ -72,7 +72,7 @@ def do_something():
     """
 
     _metrics: Dict[str, Any] = {}
-    _dimensions: Dict[str, Any] = {}
+    _dimensions: Dict[str, str] = {}
     _metadata: Dict[str, Any] = {}
 
     def __init__(self, service: str = None, namespace: str = None):
