Drop support for end-of-life Python 3.7

* Drop support for end-of-life Python 3.7

* Remove handling of code for Python 3.7 and older

.github/workflows/tests.yml

@@ -8,7 +8,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: [3.7, 3.12]
+        python-version: [3.8, 3.12]
 
     steps:
     - name: Checkout
@@ -36,7 +36,7 @@ jobs:
 #
 #    strategy:
 #      matrix:
-#        python-version: [3.7, 3.12]
+#        python-version: [3.8, 3.12]
 #
 #    steps:
 #    - name: Checkout

lib/hid_parser/__init__.py

@@ -14,17 +14,13 @@ from typing import Dict
 from typing import Iterable
 from typing import Iterator
 from typing import List
+from typing import Literal
 from typing import Optional
 from typing import Sequence
 from typing import TextIO
 from typing import Tuple
 from typing import Union
 
-if sys.version_info >= (3, 8):
-    from typing import Literal
-else:  # pragma: no cover
-    from typing_extensions import Literal
-
 import hid_parser.data
 
 __version__ = "0.0.3"

setup.py

@@ -73,7 +73,7 @@ For instructions on installing Solaar see https://pwr-solaar.github.io/Solaar/in
     # sudo apt install python-gi python3-gi \
     #        gir1.2-gtk-3.0 gir1.2-notify-0.7 gir1.2-ayatanaappindicator3-0.1
     # os_requires=['gi.repository.GObject (>= 2.0)', 'gi.repository.Gtk (>= 3.0)'],
-    python_requires=">=3.7",
+    python_requires=">=3.8",
     install_requires=[
         'evdev (>= 1.1.2) ; platform_system=="Linux"',
         "pyudev (>= 0.13)",