--- a/query.py
+++ b/query.py
@@ -1,18 +1,6 @@
 import logger
 from sqlalchemy.sql import func
 import datetime
-import decimal
-
-def toStr(fn):
-    def wrapped(*args, **kwargs):
-        response = fn(*args, **kwargs)
-        if type(response) is decimal.Decimal:
-            return str(response)
-        if type(response) is dict:
-            return repr(response)
-        else:
-            return str(response)
-    return wrapped
 
 class Query:
     """Objects of query class can be used to run specific queries."""
--- a/report.py
+++ b/report.py
@@ -71,7 +71,7 @@
 
                 "Number_of_calls_lasting_less_than_30_seconds": callDetails.filter_calls_by_duration(startDate, endDate, 30),
 
-                "Average_length_of_calls": average_call_length,
+                "Average_length_of_calls_in_minutes": average_call_length,
 
                 "Total_number_of_audio_minutes_played": str(audio_minutes),