chore: remove barrel import to avoid Tracer-like situations

Author: heitorlessa

aws_lambda_powertools/logging/formatters/__init__.py

@@ -1,3 +1,5 @@
-from aws_lambda_powertools.logging.formatters.datadog import DatadogLogFormatter
+"""Built-in Logger formatters for Observability Providers that require custom config."""
 
-__all__ = ["DatadogLogFormatter"]
+# NOTE: we don't expose formatters directly (barrel import)
+# as we cannot know if they'll need additional dependencies in the future
+# so we isolate to avoid a performance hit and workarounds like lazy imports

examples/logger/src/observability_provider_builtin_formatters.py

@@ -1,5 +1,5 @@
 from aws_lambda_powertools import Logger
-from aws_lambda_powertools.logging.formatters import DatadogLogFormatter
+from aws_lambda_powertools.logging.formatters.datadog import DatadogLogFormatter
 
 logger = Logger(service="payment", logger_formatter=DatadogLogFormatter())
 logger.info("hello")