Fix typo in timing metric refactoring

Add debug log to timing metrics call

neon_audio/tts/neon.py

@@ -138,11 +138,12 @@ def _sort_timing_metrics(timings: dict) -> dict:
     Sort combined timing context into timestamps and durations
     """
     to_return = {"timestamps": {}, "durations": {}}
-    for key, val in timings:
+    for key, val in timings.items():
         if val > 10000.0:  # Arbitrary value that is > longest duration
             to_return["timestamps"][key] = val
         else:
             to_return["durations"][key] = val
+    LOG.debug(f"Parsed timing context: {to_return}")
     return to_return