diff --git a/httpbin/helpers.py b/httpbin/helpers.py
index fc899e7..3b73c8f 100644
--- a/httpbin/helpers.py
+++ b/httpbin/helpers.py
@@ -7,6 +7,7 @@ httpbin.helpers
 This module provides helper functions for httpbin.
 """
 
+import json
 from hashlib import md5
 from werkzeug.http import parse_authorization_header
 
@@ -95,9 +96,9 @@ def get_dict(*keys, **extras):
         form = nonflat_dict
 
     try:
-        json = json.loads(request.data)
+        json_input = json.loads(request.data)
     except ValueError:
-        json = None
+        json_input = None
 
 
     d = dict(
diff --git a/run_httpbin.py b/run_httpbin.py
index 1b44eea..1f604b3 100755
--- a/run_httpbin.py
+++ b/run_httpbin.py
@@ -12,5 +12,6 @@ except (IndexError, ValueError):
     port = 5000
 
 print 'Starting httpbin on port {0}'.format(port)
+app.debug = True
 http_server = WSGIServer(('', port), app)
-http_server.serve_forever()
\ No newline at end of file
+http_server.serve_forever()