Fix repr() for file:// URLs

Author: bbayles

ada_url/ada_adapter.py

@@ -273,7 +273,8 @@ def __str__(self):
 
     def __repr__(self):
         duplicate = deepcopy(self)
-        duplicate.password = ''
+        if duplicate.password:
+            duplicate.password = ''
         return f'<URL "{duplicate.href}">'
 
     @staticmethod

tests/test_ada_url.py

@@ -203,6 +203,10 @@ def test_to_repr_password(self):
             str(urlobj), 'https://user:password1@example.org/something.txt'
         )
 
+    def test_repr_file(self):
+        url = URL('file:///')
+        repr(url)
+
     def test_check_url(self):
         for s, expected in (
             ('https:example.org', True),