Don't allow an IOError, bubble it up since it's required to exist

mattrobenolt · mattrobenolt · commit 297b039d89df · 2015-10-11T09:22:44.000-07:00
diff --git a/ua_parser/user_agent_parser.py b/ua_parser/user_agent_parser.py
@@ -448,13 +448,10 @@ def GetFilters(user_agent_string, js_user_agent_string=None,
 
 # If UA_PARSER_YAML is not specified, load regexes from regexes.json
 if regexes is None:
-    try:
-        import json
+    import json
 
-        with open(json_path) as fp:
-            regexes = json.load(fp)
-    except IOError:
-        pass
+    with open(json_path) as fp:
+        regexes = json.load(fp)
 
 
 USER_AGENT_PARSERS = []
