Remove now unnecessary util submodule

rfc3986/uri.py

@@ -26,7 +26,6 @@ from .normalizers import (
     encode_component, normalize_scheme, normalize_authority, normalize_path,
     normalize_query, normalize_fragment
     )
-from .util import remove_none_values
 
 
 class URIReference(namedtuple('URIReference', URI_COMPONENTS)):
@@ -374,7 +373,9 @@ class URIReference(namedtuple('URIReference', URI_COMPONENTS)):
             'query': query,
             'fragment': fragment,
         }
-        attributes = remove_none_values(attributes)
+        for key, value in list(attributes.items()):
+            if value is None:
+                del attributes[key]
         return self._replace(**attributes)
 
 

rfc3986/urlparse.py

@@ -16,7 +16,6 @@ from collections import namedtuple
 
 from . import normalizers
 from . import uri
-from . import util
 
 PARSED_COMPONENTS = ('scheme', 'userinfo', 'host', 'port', 'path', 'query',
                      'fragment')

rfc3986/util.py

@@ -1,7 +0,0 @@
-def remove_none_values(dictionary):
-    return_dictionary = {}
-    for key, value in dictionary.items():
-        if value is not None:
-            return_dictionary[key] = value
-
-    return return_dictionary