fix lint and formatting violations in tests and source

tests/test_audio.py

@@ -2,7 +2,7 @@
 
 import struct
 
-from tuimble.audio import FRAME_SIZE, SAMPLE_RATE, AudioPipeline, _apply_gain
+from tuimble.audio import FRAME_SIZE, AudioPipeline, _apply_gain
 
 
 def test_default_construction():
@@ -14,8 +14,9 @@ def test_default_construction():
 
 
 def test_custom_construction():
-    ap = AudioPipeline(sample_rate=24000, frame_size=480,
-                       input_device=1, output_device=2)
+    ap = AudioPipeline(
+        sample_rate=24000, frame_size=480, input_device=1, output_device=2
+    )
     # Verify via public behavior: get_capture_frame returns None
     assert ap.get_capture_frame() is None
 

tests/test_config.py

@@ -1,8 +1,12 @@
 """Tests for configuration module."""
 
 from tuimble.config import (
-    AudioConfig, Config, PttConfig, ServerConfig,
-    _load_section, load_config,
+    AudioConfig,
+    Config,
+    PttConfig,
+    ServerConfig,
+    _load_section,
+    load_config,
 )
 
 
@@ -55,11 +59,14 @@ def test_server_cert_custom():
 
 def test_load_section_filters_unknown_keys():
     """Unknown keys are silently dropped, valid keys are kept."""
-    result = _load_section(ServerConfig, {
-        "host": "example.com",
-        "typo_field": "oops",
-        "another_bad": 42,
-    })
+    result = _load_section(
+        ServerConfig,
+        {
+            "host": "example.com",
+            "typo_field": "oops",
+            "another_bad": 42,
+        },
+    )
     assert result.host == "example.com"
     assert result.port == 64738  # default preserved
 
@@ -86,8 +93,7 @@ def test_load_config_with_unknown_keys(tmp_path):
     """Config file with unknown keys loads without error."""
     toml = tmp_path / "config.toml"
     toml.write_text(
-        '[server]\nhost = "example.com"\nbogus = true\n'
-        '[ptt]\nfuture_option = "x"\n'
+        '[server]\nhost = "example.com"\nbogus = true\n[ptt]\nfuture_option = "x"\n'
     )
     cfg = load_config(toml)
     assert cfg.server.host == "example.com"

tests/test_reconnect.py

@@ -2,7 +2,7 @@
 
 import threading
 
-from tuimble.reconnect import INITIAL_DELAY, MAX_RETRIES, ReconnectManager
+from tuimble.reconnect import INITIAL_DELAY, ReconnectManager
 
 
 def _make_manager(connect_fn=None, **overrides):
@@ -22,7 +22,9 @@ def _make_manager(connect_fn=None, **overrides):
         log["exhausted"] += 1
 
     if connect_fn is None:
-        connect_fn = lambda: None
+
+        def connect_fn():
+            return None
 
     mgr = ReconnectManager(
         connect_fn=connect_fn,
@@ -67,6 +69,7 @@ def test_success_after_failures():
     mgr, log = _make_manager(connect_fn=flaky_connect)
     # Patch delay to zero for test speed
     import tuimble.reconnect as mod
+
     orig = mod.INITIAL_DELAY
     mod.INITIAL_DELAY = 0
     try:
@@ -88,7 +91,10 @@ def test_non_retryable_aborts_immediately():
     class Rejected(Exception):
         retryable = False
 
-    mgr, log = _make_manager(connect_fn=lambda: (_ for _ in ()).throw(Rejected("banned")))
+    def _raise():
+        raise Rejected("banned")
+
+    mgr, log = _make_manager(connect_fn=_raise)
     mgr.run()
     assert log["exhausted"] == 1
     assert log["success"] == 0
@@ -102,6 +108,7 @@ def test_non_retryable_aborts_immediately():
 def test_exhaustion_after_max_retries():
     """Loop stops after MAX_RETRIES failed attempts."""
     import tuimble.reconnect as mod
+
     orig_delay = mod.INITIAL_DELAY
     orig_retries = mod.MAX_RETRIES
     mod.INITIAL_DELAY = 0
@@ -155,6 +162,7 @@ def test_backoff_delays():
     # We only need the attempt callback to record delays; cancel after
     # a few attempts to avoid waiting.
     import tuimble.reconnect as mod
+
     orig_delay = mod.INITIAL_DELAY
     orig_retries = mod.MAX_RETRIES
     mod.INITIAL_DELAY = 0  # zero delay for speed