Handle tzinfo=None in arrow.get()

arrow/factory.py

@@ -188,15 +188,17 @@ def get(self, *args: Any, **kwargs: Any) -> Arrow:
 
         arg_count = len(args)
         locale = kwargs.pop("locale", DEFAULT_LOCALE)
+        tzinfo_provided = "tzinfo" in kwargs
         tz = kwargs.get("tzinfo", None)
         normalize_whitespace = kwargs.pop("normalize_whitespace", False)
 
         # if kwargs given, send to constructor unless only tzinfo provided
         if len(kwargs) > 1:
             arg_count = 3
 
-        # tzinfo kwarg is not provided
-        if len(kwargs) == 1 and tz is None:
+        # Treat an explicit tzinfo=None the same as omitting tzinfo, but keep
+        # other single-keyword cases (for example year=...) on the constructor path.
+        if len(kwargs) == 1 and tz is None and not tzinfo_provided:
             arg_count = 3
 
         # () -> now, @ tzinfo or utc

tests/test_factory.py

@@ -149,6 +149,11 @@ def test_kwarg_tzinfo_string(self):
         with pytest.raises(ParserError):
             self.factory.get(tzinfo="US/PacificInvalidTzinfo")
 
+    def test_kwarg_tzinfo_none(self):
+        result = self.factory.get("2013-01-01", "YYYY-MM-DD", tzinfo=None)
+
+        assert result._datetime == datetime(2013, 1, 1, tzinfo=tz.tzutc())
+
     def test_kwarg_normalize_whitespace(self):
         result = self.factory.get(
             "Jun 1 2005  1:33PM",