Remove support for python <3.11 (#1273)

Python 3.11 ships with latest Debian Bookworm. 
pypy is not that widely used with this library based on statistics. It could be added back when pypy supports python 3.11.

devtools/bench/utils/original.py

@@ -1,7 +1,7 @@
 """Original implementation of the TP-Link Smart Home protocol."""
 
 import struct
-from typing import Generator
+from collections.abc import Generator
 
 
 class OriginalTPLinkSmartHomeProtocol:

devtools/dump_devinfo.py

@@ -315,7 +315,7 @@ async def cli(
     credentials = Credentials(username=username, password=password)
     if host is not None:
         if discovery_info:
-            click.echo("Host and discovery info given, trying connect on %s." % host)
+            click.echo(f"Host and discovery info given, trying connect on {host}.")
 
             di = json.loads(discovery_info)
             dr = DiscoveryResult.from_dict(di)
@@ -358,7 +358,7 @@ async def cli(
                     "Could not find a protocol for the given parameters."
                 )
         else:
-            click.echo("Host given, performing discovery on %s." % host)
+            click.echo(f"Host given, performing discovery on {host}.")
             device = await Discover.discover_single(
                 host,
                 credentials=credentials,
@@ -374,13 +374,13 @@ async def cli(
             )
     else:
         click.echo(
-            "No --host given, performing discovery on %s. Use --target to override."
-            % target
+            "No --host given, performing discovery on"
+            f" {target}. Use --target to override."
         )
         devices = await Discover.discover(
             target=target, credentials=credentials, discovery_timeout=discovery_timeout
         )
-        click.echo("Detected %s devices" % len(devices))
+        click.echo(f"Detected {len(devices)} devices")
         for dev in devices.values():
             await handle_device(
                 basedir,
@@ -446,7 +446,7 @@ async def get_legacy_fixture(
         dr = DiscoveryResult.from_dict(discovery_info)
         final["discovery_result"] = dr.to_dict()
 
-    click.echo("Got %s successes" % len(successes))
+    click.echo(f"Got {len(successes)} successes")
     click.echo(click.style("## device info file ##", bold=True))
 
     sysinfo = final["system"]["get_sysinfo"]
@@ -959,7 +959,7 @@ async def get_smart_fixtures(
         dr = DiscoveryResult.from_dict(discovery_info)  # type: ignore
         final["discovery_result"] = dr.to_dict()
 
-    click.echo("Got %s successes" % len(successes))
+    click.echo(f"Got {len(successes)} successes")
     click.echo(click.style("## device info file ##", bold=True))
 
     if "get_device_info" in final:

devtools/parse_pcap.py

@@ -67,7 +67,7 @@ def parse_pcap(file):
         for module, cmds in json_payload.items():
             seen_items["modules"][module] += 1
             if "err_code" in cmds:
-                echo("[red]Got error for module: %s[/red]" % cmds)
+                echo(f"[red]Got error for module: {cmds}[/red]")
                 continue
 
             for cmd, response in cmds.items():