fix(uri): fix trailing white spaces

Fix trailing white spaces.
Makes cosmetic changes.

closes falconry#1872

falcon/response.py

@@ -675,7 +675,7 @@ def delete_header(self, name):
         # NOTE(kgriffs): normalize name by lowercasing it
         name = name.lower()
 
-        if name == 'set-cookie': 
+        if name == 'set-cookie':
             raise HeaderNotSupported('This method cannot be used to remove cookies')
 
         self._headers.pop(name, None)
@@ -769,7 +769,7 @@ def set_headers(self, headers):
             value = str(value)
 
             name = name.lower()
-            if name == 'set-cookie': 
+            if name == 'set-cookie':
                 raise HeaderNotSupported('This method cannot be used to set cookies')
 
             _headers[name] = value

falcon/util/uri.py

@@ -82,9 +82,9 @@ def encoder(uri, check_is_escaped=False):
         if check_is_escaped and not uri.rstrip(allowed_chars_plus_percent):
             # NOTE(kgriffs): There's a good chance the string has already
             # been escaped. Do one more check to increase our certainty.
-            # NOTE(minesja): Per issue #1872, there's only certain situations 
-            # in which we should check again (ex. location, content_location, 
-            # append_link).In all other cases we should allow characters that 
+            # NOTE(minesja): Per issue #1872, there's only certain situations
+            # in which we should check again (ex. location, content_location,
+            # append_link).In all other cases we should allow characters that
             # could appear escaped to still be encoded (ex. '%' would be encoded
             # as '%25).
             tokens = uri.split('%')

tests/test_utils.py

@@ -226,12 +226,11 @@ def test_uri_encode(self):
 
         # NOTE(minesja): Addresses #1872
         assert uri.encode('%26') == '%2526'
-        assert uri.decode(uri.encode('%26') == '%26')
+        assert uri.decode(uri.encode('%26')) == '%26'
 
     def test_uri_encode_double(self):
-        # NOTE(minesja): check_is_escaped added to address maintain
-        #   ignoring escaped values (addresses #68) while also
-        #   addressing #1872 which should escape all values by default
+        # NOTE(minesja): check_is_escaped added to allow option to
+        # retain behavior of ignoring already escaped values (#68)
         url = 'http://example.com/v1/fiz bit/messages'
         expected = 'http://example.com/v1/fiz%20bit/messages'
         assert uri.encode(uri.encode(url), check_is_escaped=True) == expected
@@ -268,7 +267,7 @@ def test_uri_encode_value(self):
         assert uri.encode_value('\u00e7\u20ac') == '%C3%A7%E2%82%AC'
         assert uri.encode_value('ab/cd') == 'ab%2Fcd'
         assert uri.encode_value('ab+cd=42,9') == 'ab%2Bcd%3D42%2C9'
-        
+
         # NOTE(minesja): Addresses #1872
         assert uri.encode_value('%26') == '%2526'
         assert uri.decode(uri.encode_value('%26')) == '%26'