Update file ec2_function.py

ec2_function.py

@@ -9,6 +9,8 @@ import sys
 
 request_body = sys.stdin.read()
 
+input_json = json.loads(request_body)
+
 minhistory = int(input_json['history'])
 shots = int(input_json['shots'])
 signaltype = str(input_json['signal_type'])