Fixed #27857 -- Dropped support for Python 3.4.

2 files changed, 2 insertions, 7 deletions

diff --git a/django/urls/converters.py b/django/urls/converters.py
index eb2a61971e..cc22f33df4 100644
--- a/django/urls/converters.py
+++ b/django/urls/converters.py
@@ -60,10 +60,7 @@ def register_converter(converter, type_name):
 
 @lru_cache.lru_cache(maxsize=None)
 def get_converters():
-    converters = {}
-    converters.update(DEFAULT_CONVERTERS)
-    converters.update(REGISTERED_CONVERTERS)
-    return converters
+    return {**DEFAULT_CONVERTERS, **REGISTERED_CONVERTERS}
 
 
 def get_converter(raw_converter):
diff --git a/django/urls/resolvers.py b/django/urls/resolvers.py
index 4cd25ff075..b214264445 100644
--- a/django/urls/resolvers.py
+++ b/django/urls/resolvers.py
@@ -343,9 +343,7 @@ class URLPattern:
         'path.to.ClassBasedView').
         """
         callback = self.callback
-        # Python 3.5 collapses nested partials, so can change "while" to "if"
-        # when it's the minimum supported version.
-        while isinstance(callback, functools.partial):
+        if isinstance(callback, functools.partial):
             callback = callback.func
         if not hasattr(callback, '__name__'):
             return callback.__module__ + "." + callback.__class__.__name__