address PR comments

Author: CalebCourier

guardrails/utils/casting_utils.py

@@ -1,4 +1,5 @@
 from typing import Any, Optional
+import warnings
 
 
 def to_int(v: Any) -> Optional[int]:
@@ -30,4 +31,5 @@ def to_bool(value: str) -> Optional[bool]:
         return True
     if value.lower() == "false":
         return False
+    warnings.warn(f"Could not cast {value} to bool. Returning None.")
     return None

tests/integration_tests/test_telemetry.py

@@ -52,10 +52,6 @@ def test_private_traces_go_to_user_telem_sink(self, mocker):
         private_spans = private_exporter.get_finished_spans()
         hub_spans = hub_exporter.get_finished_spans()
 
-        print("Private spans: ", private_spans)
-        print(" ")
-        print("Hub spans: ", hub_spans)
-
         assert len(private_spans) == 4
         assert len(hub_spans) == 0