Drop typing-extensions dependency as unnecessary

fluent.runtime/fluent/runtime/bundle.py

@@ -1,10 +1,9 @@
-from typing import TYPE_CHECKING, Any, Callable, Union, cast
+from typing import TYPE_CHECKING, Any, Callable, Literal, Union, cast
 
 import babel
 import babel.numbers
 import babel.plural
 from fluent.syntax import ast as FTL
-from typing_extensions import Literal
 
 from .builtins import BUILTINS
 from .prepare import Compiler

fluent.runtime/fluent/runtime/types.py

@@ -1,14 +1,13 @@
 import warnings
 from datetime import date, datetime
 from decimal import Decimal
-from typing import Any, TypeVar, Union, cast
+from typing import Any, Literal, TypeVar, Union, cast
 
 import attr
 import pytz
 from babel import Locale
 from babel.dates import format_date, format_time, get_datetime_format, get_timezone
 from babel.numbers import NumberPattern, parse_pattern
-from typing_extensions import Literal
 
 FORMAT_STYLE_DECIMAL = "decimal"
 FORMAT_STYLE_CURRENCY = "currency"

fluent.runtime/setup.py

@@ -35,7 +35,6 @@
         "attrs",
         "babel",
         "pytz",
-        "typing-extensions>=3.7,<5",
     ],
     test_suite="tests",
 )

fluent.runtime/tests/test_types.py

@@ -5,7 +5,12 @@
 
 import pytz
 from babel import Locale
-from fluent.runtime.types import FluentDateType, FluentNumber, fluent_date, fluent_number
+from fluent.runtime.types import (
+    FluentDateType,
+    FluentNumber,
+    fluent_date,
+    fluent_number,
+)
 
 
 class TestFluentNumber(unittest.TestCase):

fluent.runtime/tox.ini

@@ -12,7 +12,6 @@ deps =
      attrs==19.1.0
      babel==2.7.0
      pytz==2019.2
-     typing-extensions~=3.7
      syntax: .
 commands = python -m unittest
 

fluent.syntax/fluent/syntax/stream.py

@@ -1,6 +1,4 @@
-from typing import Callable, Union
-
-from typing_extensions import Literal
+from typing import Callable, Literal, Union
 
 from .errors import ParseError
 

fluent.syntax/setup.py

@@ -29,6 +29,5 @@
     packages=["fluent.syntax"],
     package_data={"fluent.syntax": ["py.typed"]},
     python_requires=">=3.9",
-    install_requires=["typing-extensions>=3.7,<5"],
     test_suite="tests.syntax",
 )

fluent.syntax/tox.ini

@@ -7,6 +7,4 @@ skipsdist=True
 [testenv]
 setenv =
     PYTHONPATH = {toxinidir}
-deps =
-     typing-extensions~=3.7
 commands = python -m unittest