add logging to see if handler is being used

handler.py

@@ -4,6 +4,7 @@ from greenery.parse import NoMatch
 from listener import Listener, ListenerOutput
 import time
 import json
+import logging
 
 class EndpointHandler:
     def __init__(self, path=""):
@@ -14,10 +15,13 @@ class EndpointHandler:
             "num_return_sequences": 500,
             "num_beams": 1
         }, device="cuda")
+        logging.info("Loaded model with custom endpoint handler")
 
     def __call__(self, data):
         # get inputs
         inp = json.loads(data.pop("inputs", None))
+        logging.info(str(data))
+        logging.info(str(data["inputs"]))
         spec = inp["spec"]
         true_program = inp["true_program"]
         
@@ -34,4 +38,4 @@ class EndpointHandler:
             "top_1_score": sorted_programs[0][0],
             "top_5_success": any([parse(p).equivalent(parse(true_program)) for _, p in sorted_programs[:5]]),
             "time": end - start
-        }
+        }