Remove typing_extensions

typing_extensions was used for python<3.8, but this package requires
python>=3.8

arrow/arrow.py

@@ -18,9 +18,11 @@
 from typing import (
     Any,
     ClassVar,
+    Final,
     Generator,
     Iterable,
     List,
+    Literal,
     Mapping,
     Optional,
     Tuple,
@@ -36,12 +38,6 @@
 from arrow.constants import DEFAULT_LOCALE, DEHUMANIZE_LOCALES
 from arrow.locales import TimeFrameLiteral
 
-if sys.version_info < (3, 8):  # pragma: no cover
-    from typing_extensions import Final, Literal
-else:
-    from typing import Final, Literal  # pragma: no cover
-
-
 TZ_EXPR = Union[dt_tzinfo, str]
 
 _T_FRAMES = Literal[

arrow/constants.py

@@ -2,11 +2,7 @@
 
 import sys
 from datetime import datetime
-
-if sys.version_info < (3, 8):  # pragma: no cover
-    from typing_extensions import Final
-else:
-    from typing import Final  # pragma: no cover
+from typing import Final
 
 # datetime.max.timestamp() errors on Windows, so we must hardcode
 # the highest possible datetime value that can output a timestamp.

arrow/formatter.py

@@ -1,21 +1,14 @@
 """Provides the :class:`Arrow <arrow.formatter.DateTimeFormatter>` class, an improved formatter for datetimes."""
 
 import re
-import sys
 from datetime import datetime, timedelta
-from typing import Optional, Pattern, cast
+from typing import Final, Optional, Pattern, cast
 
 from dateutil import tz as dateutil_tz
 
 from arrow import locales
 from arrow.constants import DEFAULT_LOCALE
 
-if sys.version_info < (3, 8):  # pragma: no cover
-    from typing_extensions import Final
-else:
-    from typing import Final  # pragma: no cover
-
-
 FORMAT_ATOM: Final[str] = "YYYY-MM-DD HH:mm:ssZZ"
 FORMAT_COOKIE: Final[str] = "dddd, DD-MMM-YYYY HH:mm:ss ZZZ"
 FORMAT_RFC822: Final[str] = "ddd, DD MMM YY HH:mm:ss Z"

arrow/locales.py

@@ -1,12 +1,12 @@
 """Provides internationalization for arrow in over 60 languages and dialects."""
 
-import sys
 from math import trunc
 from typing import (
     Any,
     ClassVar,
     Dict,
     List,
+    Literal,
     Mapping,
     Optional,
     Sequence,
@@ -16,11 +16,6 @@
     cast,
 )
 
-if sys.version_info < (3, 8):  # pragma: no cover
-    from typing_extensions import Literal
-else:
-    from typing import Literal  # pragma: no cover
-
 TimeFrameLiteral = Literal[
     "now",
     "second",

arrow/parser.py

@@ -1,7 +1,6 @@
 """Provides the :class:`Arrow <arrow.parser.DateTimeParser>` class, a better way to parse datetime strings."""
 
 import re
-import sys
 from datetime import datetime, timedelta
 from datetime import tzinfo as dt_tzinfo
 from functools import lru_cache
@@ -11,12 +10,14 @@
     Dict,
     Iterable,
     List,
+    Literal,
     Match,
     Optional,
     Pattern,
     SupportsFloat,
     SupportsInt,
     Tuple,
+    TypedDict,
     Union,
     cast,
     overload,
@@ -28,11 +29,6 @@
 from arrow.constants import DEFAULT_LOCALE
 from arrow.util import next_weekday, normalize_timestamp
 
-if sys.version_info < (3, 8):  # pragma: no cover
-    from typing_extensions import Literal, TypedDict
-else:
-    from typing import Literal, TypedDict  # pragma: no cover
-
 
 class ParserError(ValueError):
     pass